giải thích giúp mình vì sao chọn các đáp án đó nha
cảm ơn nhiều!
----- Nội dung dịch tự động từ ảnh -----
1. As a child, my son ________ such vegetables as cabbages and leeks; nonetheless, he can’t even bear the sight of them any longer.
A. did not eat B. was eating C. had eaten D. would eat

2. The company had sent the advertisement to the newspaper when they realized they’d misprinted the salary they were offering for the position. Luckily, they offered the newspaper to correct their mistake before they printed it.
A. could have asked B. must have asked C. were able to ask D. might have asked

3. I think ________ the battery before going to Vienna. Do you know Lucy had problems starting the car last night?
A. you’d better change B. you’d better changed C. you’ll better change D. you will better change

4. He ________ on the last day of the congress so his presence at the opening ceremony was something of a surprise.
A. must have joined B. was going to join C. should join D. should join

5. “It’s absurd!” In the first section they praise us for preventing a “major epidemic” and in the same breath they say we should have vaccinated people.
A. can’t have vaccinated B. didn’t need to vaccinate C. shouldn’t have vaccinated D. must have vaccinated

6. From the other side, we should not take things for granted and should be able to cope with all kinds of contingencies. In Salto, for instance, I may be unprepared.
A. may have been unprepared B. must not be prepared C. might be unprepared D. need not be prepared

7. “Must I take my umbrella?” “No, you ________ it’s not going to rain.”
A. mustn’t B. have to C. needn’t D. don’t

8. “I wish I hadn’t criticized Mark’s drawings yesterday because he hasn’t spoken to me today. Do you think he’ll come to my party on Friday?”
A. Possibly, he may join you then. B. He may have forgotten. C. He was able to forgive you. D. He must have forgotten.

9. “I’m scared ________ in because the front door was wide open and it might have been broken.”
A. to come B. not to come C. to not come D. needn’t have broken

10. “What should we do if the meeting ends late? I’d rather you ________.”
A. didn’t walk B. won’t walk C. don’t walk D. not walk