题目内容

He must ____________ it; he was the only one who had a key.

A. have stolen
B. stole
C. has stolen
D. had stolen

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更多问题

If only I _________ crashed the car!

A. had
B. hadn’t
C. did
D. didn’t

He wouldn’t have been late for the exam if he ____________ earlier.

A. leave
B. left
C. had left
D. hadn’t left

Where is John? He should ___________ home hours ago.

A. be
B. were
C. had been
D. have been

1.服务贸易的四种供应模式（）

A. 商业存在、跨境支付、自然人流动、境外消费
B. 商业存在、跨境支付、自然人流动、留学访学
C. 移民居住、跨境支付、自然人流动、境外消费
D. 商业存在、跨境支付、劳务输出、境外消费