Various efforts over the centuries _________ to predict earthquakes to reduce the damage.
#99978
A
are being made
B
have been made
C
were made
D
were being made
推荐题目
----I have got a headache. ---- No wonder. You ________ in front of that computer too long.
#101965
A
work
B
are working
C
worked
D
have been working
— You look tired.— Yes. I ___ non-stop until 8 o’clock this morning.
#102703
A
had worked
B
work
C
have worked
D
was working
Judy is going to marry the sailor she ____ in Rome last year.
#104016
A
meets
B
met
C
has met
D
would meet
I arrived late; I _____ the road to be so iey.
#104993
A
wouldn’t expect
B
haven’t expected
C
hadn’t expected
D
wasn’t expecting
—Have you worked here since you graduated?—No, I ____________at a factory in Beijing for six years.
#101259
A
would work
B
have worked
C
had worked
D
worked