We________on this project for four hours.Let's have a rest.
#99184
A
are working
B
have been working
C
worked
D
had worked
推荐题目
It's the third time ________ late for school this week．
#101545
A
that you are
B
you are
C
when you arrived
D
that you have been
My documents are always ______ out according to the contents(内容) and dates so that I have no trouble in finding them when they _______.
#103151
A
set; are needed
B
put; need
C
sorted; are needed
D
written; need
My mother _____ all the cleaning for my family, but recently she has been too busy teaching to do it.
#99234
A
will do
B
is doing
C
does
D
had done
—Would you please keep silent? The weather report ______ and I want to listen.
#100034
A
is broadcast
B
has been broadcast
C
was broadcast
D
is being broadcast
By the end of this year, 160 new students ___ in the English Department of this world famous university．
#102497
A
have enroll
B
will have enrolled
C
have been enrolled
D
will have been enrolled