— Why do you look so worried? —My computer broke down and my essay ______ unfinished since.
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A
had left
B
has left
C
has been left
D
was left
推荐题目
The government has taken some measures to prevent more trees from _____.
#100712
A
cutting down
B
cut down.
C
being cut down
D
been cut down
I ______ while reading the English textbook. Luckily, my roommate woke me up in time !
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A
had fallen asleep
B
have fallen asleep
C
fell asleep
D
fall asleep
A warm welcome _______to the Russian guests at the airport tomorrow morning.
#100038
A
is given
B
has been given
C
is going to give
D
will be given
.We can’t use the bridge now, because it _______.
#103853
A
has been repaired
B
is repairing
C
is repaired
D
is being repaired
Stay awake! You should know that it ________ to sleep in class.
#100994
A
doesn’t permit
B
is not permitted
C
will not be permitted
D
was not permitted