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
--- Marry is in hospital. --- Oh, really? I _______ know. I _________ go and see her.
#102779
A
didn’t; am going to
B
don’t; would
C
don’t; will
D
didn’t; will
Some modern teaching equipment as well as hundreds of computers ________to ten Hope Schools in South China
#100356
A
were sent
B
was sent
C
have sent
D
had been sent
As soon as I got on the bus I realized that I________ my papers in the house.
#103345
A
left
B
was leaving
C
had left
D
have left
Mr. Smith ________ his pupils how to prepare for the test since 8 am, but no one listens to him.
#99757
A
has told
B
is telling
C
has been telling
D
will have told
—It’s five years since I here.—Where do you work now?
#101172
A
work
B
worked
C
has worked
D
had worked