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
The present situation is very complex，so I think it will take me some time to ________ its reality.
#100692
A
make up
B
figure out
C
look through
D
put off
Kate _________ in America for many years, but she’d never regretted her decision to return to her motherland.
#101503
A
worked
B
was working
C
has worked
D
had worked
The train _______ at the present speed until it reaches Beijing at about 6 :30 am.
#102588
A
went
B
has gone
C
goes
D
will be going
The vegetables didn’t taste very good. They _______ too long.
#100525
A
had been cooked
B
were cooked
C
have cooked
D
cooked