My wallet_________at the station while I_______for the train.
A. must have been stolen/was waiting
B. should have stolen/had been waiting
C. will be stolen/am waiting
D. had to steal/would be waiting
Đáp án A.
Tạm dịch: Ví của tôi chắc hẳn đã bị đánh cắp khi tôi đang đợi tàu.
Kiến thức cần nhớ
Một số cách dùng của Modal Perfect:
Có khả năng xảy ra trong quá khứ ta dùng: Must have + PII
Không có khả năng xảy ra trong quá khứ ta dùng:
Cannot have + PII
Nên (không nên) xảy ra trong quá khứ ta dùng:
Should (not) have + PII
Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.
Many years ago, black children were _____________ to discrimination in many schools.
The authorities recommend that the meeting _____________ next Monday.
Her husband is very kind. He always cares _____ her and never puts all of the housework her.
As a small boy, he used to _______ alone in the house for an hour or two.
The archaeological excavation _____ to the discovery of the ancient city lasted several years.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We decided to spend ______ summer in ______ seaside town.