We arrived at work in the morning and found that somebody ________ into the office during the night.(2011·江西)
#63808
A
broke
B
had broken
C
has broken
D
was breaking
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 By the time Jack returned home from England,his son ________ from college.(2011·辽宁)
#63809
A
graduated
B
has graduated
C
had been graduating
D
had graduated
The ___ look on his face suggested that he ____ so.
#63805
A
surprised; hadn’t expected
B
surprising; hasn’t expected
C
surprised; hasn’t expected
D
surprising; hadn’t expected