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
My sister _____ Tony for ten years next year.
#99353
A
has been married to
B
had been married with
C
will have been married to
D
will have been married with
When the festival they have been looking forward to _______, people will dress up to celebrate it.
#100790
A
coming
B
comes
C
come
D
came
—Look! Somebody the sofa.—Well, it wasn’t me. I didn’t do it.
#101195
A
is cleaning
B
has cleaned
C
was cleaning
D
had cleaned
— So many ages since I last saw you that I ____________ you at all!— I wouldn’t have, either, if someone _____________ your name.
#101462
A
didn’t recognize; hadn’t called
B
didn’t recognize; didn’t call
C
haven’t recognized; didn’t call
D
wouldn’t have recognized; hadn’t called
Your phone ______ for several minutes now. Why don’t you answer it?
#100562
A
had rung
B
rang
C
has been ringing
D
was ringing