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
— What’s that terrible noise?— The boys _________ for a party.
#100174
A
are preparing
B
have prepared
C
prepare
D
will prepare
Turn on the television or open a magazine and you ________ advertisements showing happy families.
#104798
A
will often see
B
often see
C
are often seeing
D
have often seen
My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.
#102633
A
studied
B
has studied
C
had studied
D
has been studying
Don’t call me tomorrow evening, for I ____________to a lecture on how to keep a good state of mind when taking an exam.
#101334
A
will listen
B
should listen
C
shall listen
D
will be listening
—Hi, Susan, you look tired.—I ______ for months for the coming celebration for the school’s 60th anniversary.
#101623
A
was preparing
B
have been preparing
C
had prepared
D
prepare