—Your colleague’s spoken English is quite good,Amy.—No wonder,as she________in the USA for two years.
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A
worked
B
has been working
C
had worked
D
has worked
推荐题目
By the time these books were published,  he _____ addicted to them.
#102731
A
had become
B
becomes
C
has become
D
became
She gave me half, and  _____  the other half for her husband
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A
kept
B
had kept
C
keeps
D
will keep
After inspecting the building, specialists discovered some faults that otherwise ___________.  
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A
were overlooked
B
would be overlooked
C
had been overlooked
D
would have been overlooked