Chọn 1 đáp án phù hợp nhất

Mình không rõ bài này chọn đáp án sao, giúp mình đi mọi người

1. This plane could get over the mountain if it rose to 10000 feet. This means it --... over the mountain

a. would succeed in getting b. got c. was able to get d. had got

2: The plane was then able to rise. This means it --

a. could rise b. might rise c. might succeed in rising d. rose

3. Byrd knew that he would be able to reach the South Pole . It would be --...

a. impossible b. necessary c. able d. possible

4. He ought not - him but he did.

a. to tell b. to telling c. tell d. to have told

5. I'd rather you --.. that.

a.do b. don't do c. won't do d. didn't

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