5/ The fishing boat sank but luckily all the crew ____ save themselves. a. were able to b. could c. wasn't able to d. can 6/ I would like to ____ play the piano. a. be able to b. could c. am able to d. can 7/ He ____ pass the exam if he studied harder. a. can b. will be able to c. would be able to d. was able to 8/ I haven't ____ concentrate recently at work. I don't know what it is. a. could b. been able to c. can d. am able to
2 câu trả lời
=>
5. b ( có thể)
6. a ( would like to V)
7. c ( câu điều kiện loại 2)
8. b ( hiện tại hoàn thành: has/ have+ PII)
5/ The fishing boat sank but luckily all the crew ____ save themselves.
a. were able to
b. could
c. wasn't able to
d. can
6/ I would like to ____ play the piano.
a. be able to
b. could
c. am able to
d. can
7/ He ____ pass the exam if he studied harder.
a. can
b. will be able to
c. would be able to
d. was able to
8/ I haven't ____ concentrate recently at work. I don't know what it is.
a. could
b. been able to
c. can
d. am able to
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