．The highest award was given to Anna, who _____ so hard on the project for years, and at last her efforts paid off.
#103794
A
has worked
B
worked
C
was working
D
had been working
推荐题目
—Why do you look so worried? —My computer broke down and my essay ______ unfinished since.
#102209
A
had left
B
has left
C
was left
D
has been left
-----Tom. You look very bored and tired.-----Yes, I ______ my father on the farm until seven o’clock this morning.
#104828
A
have been helping
B
had helped
C
was helping
D
am helping
—How long has Mary ______ Johnson?—I don’t know. I even don’t know that they had ______.
#103351
A
been married with; married
B
married with; married
C
married to; married
D
been married to; got married
All school buses in the northwestern provinces with satellite positioning devices next year.
#101992
A
fitted
B
will be fitted
C
have been fitted
D
are fitted
I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before．
#99984
A
saw
B
has seen
C
had seen
D
would see