We arrived at work in the morning and found that somebody ________ into the offi

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We arrived at work in the morning and found that somebody ________ into the office during the night.[     ]
A. broke
B. had broken
C. has broken
D. was breaking

答案

举一反三

Last month, the Japanese government expressed their thanks for the aid they ________ from China.[     ]
A. receive
B. are receiving
C. have received
D. had received

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By the time Jack returned home from England, his son ________ from college.[     ]
A. graduated
B. has graduated
C. had been graduating
D. had graduated

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—What a mistake!
—Yes. I ________ his doing it another way,but without success.[     ]
A. was suggesting
B. will suggest
C. would suggest
D. had suggested

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Guangzhou was the second Chinese city to host the Asian Games because Beijing ________ the event
before.[     ]
A. had held
B. was held
C. held
D. had been held

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I was just going to move away the heavy case but someone ________ it. Was it you?[     ]
A. has done
B. would do
C. had done
D. will do

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