A. mustn't
B. couldn't
C. can't
D. needn't
mustn't: không được
couldn't: không thể
can't: không thể
needn't: không cần
Động từ trong câu chia ở thì quá khứ (was cheering) nên ta hiểu ngữ cảnh của câu là ở quá khứ.
=>Susan couldn't hear the speaker because the crowd was cheering so loudly.
Tạm dịch: Susan đã không thể nghe được người phát ngôn nói gì bởi vì đám đông la hét quá lớn.
Đáp án cần chọn là: B
A. may
B. will
C. must
D. should
A. Must
B. Will
C. May
D. Need
A. must
B. could
C. might
D. needn’t
A. mustn't
B. couldn't
C. can't
D. needn't
A. needn't
B. shouldn't
C. mustn't
D. can't
A. needn't sit
B. might still be sitting
C. will still be sitting
D. should have sat
A. must
B. needs
C. should
D. may
A. might / can
B. may / mustn't
C. can / should
D. must / needn't
A. needn't
B. must
C. mustn’t
D. should
A. cannot
B. must not
C. may not
D. might not
A. should / can't
B. have to / must
C. can / needn't
D. might / mustn't
A. will have had
B. might have had
C. must have had
D. should have had
A. should have done
B. must have done
C. will have done
D. could have done
A. must have forgot
B. need have forgot
C. would have forgot
D. should have forgot
A. must run
B. must have run
C. should have run
D. should run
A. should have driven
B. might have driven
C. must have driven
D. mustn’t have driven
A. should have lost
B. would have lost
C. need have lost
D. must have lost
A. may
B. must
C. might
D. mustn't