Question

19. What time A. Does 20. Look that picture. Isn't it beautiful? A. on B. at C. in D. by 21. What is the longest river the world? A. at B. on C. in D. at 22. A. 23. He is interested Maria usually arrive at school? B. Is C. Do D. Did Saturday night we went to a party. In B. On C. At D.For A. At B. in 24. She was afraid 25. Sally flying. C. on cars. A. At B. with C. in D. of a breakfast at the moment. A. Has B. having C. is having D. was having. E. had Diagnostic test D. with G

Answer 1

It appears that you've provided a series of sentences with questions related to grammar and vocabulary. I'll address each question and provide the correct options:

19. What time does Maria usually arrive at school? - A. on - B. at - C. in - D. by Answer: B. at

20. Look at that picture. Isn't it beautiful? - A. on - B. at - C. in - D. by Answer: B. at

21. What is the longest river in the world? - A. at - B. on - C. in - D. at Answer: C. in

22. A Diagnostic test - No question is provided, please clarify.

23. He is interested in having a breakfast at the moment. - A. Has - B. having - C. is having - D. was having Answer: C. is having

24. She was afraid of flying. - A. At - B. with - C. in - D. of Answer: D. of

25. On Saturday night, we went to a party. - A. In - B. On - C. At - D. For Answer: B. On

Please note that some of the sentences you provided are incomplete or not formed as questions. If you have any further questions or need clarification, please feel free to ask.

Answer 2

19. The correct answer is "a. on". The question is asking about the time or moment when you look at the picture.

20. The correct answer is "b. at". The question is asking about the location or position where you are looking at the picture.

21. The correct answer is "c. in". The question is asking about the location or position of the longest river in the world.

22. The question is incomplete, so it is unclear what the correct answer should be.

23. The correct answer is "c. do". The question is asking about Maria's usual arrival time at school.

24. The correct answer is "b. on". The question is stating the specific night when they went to a party.

25. The correct answer is "a. at". The question is stating that Sally was afraid when she was in a car.

The last part of your question doesn't make sense as it is incomplete and contains multiple unrelated sentences. Can you please provide a complete sentence or question?