Tom       in the library every night over the last three months.
#102657
A
works
B
worked
C
have been working
D
had been working
推荐题目
—Yang yan, are you coming with us? —I’d love to, but something unexpected ______.
#101324
A
was coming up
B
had come up
C
would come up
D
has come up
While _____ to foreigners, you must try to make yourself _____ by using body language if necessary.
#103319
A
speaking? understand
B
spoken; understand
C
speaking; understood
D
spoken; understood