AnswerThis sentence is correct.

2. He's leaving for London at Saturday.     AnswerON Saturday. Use ON for days of the week. BUT use IN for months and years. ON a Wednesday IN June.                           

3. Danielle never likes for to speak. 

AnswerOmit FOR. Never use FOR before an infinitive.                                     

4. Damion needs to borrow the car by noon today. AnswerIf Damion needs the car no later than noon, use BY.If he needs the car at exactly noon, use AT.            

5. They met from the internet, and fell in love to the party. 

AnswerThey met ON the internet, and fell in love AT the party.   

6. Both cats and dogs like to sleep most of the day.

AnswerThis sentence is correct.               

7. Maybe we could reschedule the appointment at next week.

AnswerFOR next week. 

8. Harold likes to watch horror movies late at night.       

AnswerAT is correct.

9. Henrietta never watches horror movies at the evening.

AnswerIN the evening, AT night, IN the afternoon, IN the morning.  

10. I love getting a lot of presents on my birthday!    

 AnswerON or FOR. Both are correct.  

11.  I will give for Mother some flowers.    

AnswerOmit FOR.                    

12.  Katherine left at the train this morning.    

AnswerON the train, if she was aboard the train. FOR the train, if she was leaving from home.    

13.  I went to a swim in Mary's pool last night.      Answerwent FOR A swim ,or TO SWIM is correct. or omit the prepositions and say WENT SWIMMING.       

14.  Father saw Millie at the street near the store.     

AnswerWe say both ON the street and IN the street.    

15.  There is a good movie at TV tonight.            

AnswerON TV, ON the radio, but AT the movie theater. 

16.  Gail fell down from accident.                

AnswerBY accident, BUT ON purpose, or purposely.              

17.  We had a picnic in the lake Tuesday.      

AnswerAT the lake.           

18.  The museum was closed from six weeks.

AnswerFOR six weeks. You can say FROM June TO July, but FOR three months, FOR two hours.

19.  I can always count on you for to be a friend.    

AnswerOmit FOR. FOR can't go before an infinitive.              

20.  The cat was hiding at the corner of the room.     

AnswerIN an enclosed area. IN the corner, IN the closet.        

21.  Sue lives in a farm.              

AnswerShe lives ON a farm. The horses live IN a barn. Some people live ON a boat.                  

22.  London is in the United Kingdom.   

AnswerCities are located IN countries.                 

23.  Uncle Fred had to go at the lumberyard.          

AnswerTO. TO= toward = in the direction of.   

24.  Brad lives at Denmark.                 

Answerlives IN a country, IN a city, IN an apartment.

Answerwaiting TO speak.

26.  Have you put the clothes to the closet yet?

AnswerIN the closet; enclosed area. TO = in the direction of. clothes are IN the closet. keys are IN my pocket. 

27.  Why are you to frowning at me?      

AnswerOmit TO. Another example, Why is he smiling at me?                

28.  She arrived in work early today.            

AnswerShe is AT work. She WENT TO work. Now she's IN her office, AT work.                

29.  What is your excuse of  being late to school?                

Answerexcuse FOR.

30.  Joshua visited his friend who stayed on the hotel.      AnswerAT or IN. AT is a specific place, and the friend is IN the hotel. He could stay AT a hotel, AT someone's house, or IN someone's house, too.      

31.  He walked onto the room whistling.                AnswerINTO is the action. IN is where the object of the action is. walked INTO the room or walked IN the room are both correct.    

32.  Would you to bring me at the doctor's office?     

AnswerTO a specific location. TO work, TO the store.           

33.  I was looking to a website to learn about whales.          AnswerWe look AT websites. We GO TO a certain website, and we LOOK AT it, the same way we LOOK AT anything.  

34.  She was tired and wanted go at bed.            

Answerwanted TO go TO bed. to go to bed = to go to sleep.        

35.  Kendra always forgets her keys in home.             AnswerAT home. AT work. Specific location. BUT she forgets her keys ON the train or bus, IN the car.