—Did you find the missing couple in the mountain yesterday?—No, but we ________ to get in touch with them ever since.
#104758
A
have tried
B
have been trying
C
had tried
D
had been trying
推荐题目
We have the most population in the world, and most of it _______ farmers.
#103586
A
to be
B
is
C
are
D
being
They won’t buy any new clothes because they ________ money to buy a new car.
#104734
A
save
B
were saving
C
have saved
D
are saving
--- Have you moved into your new house？ ---- No. It _________at present.
#101295
A
will be decorated
B
is being decorated
C
is decorating
D
was decorated
Ann me her address but I’m afraid I it.
#104539
A
gave;have lost
B
has given;have lost
C
gives;lost
D
had given;lost
---The window is dirty.----I know. It ______ for weeks.
#101155
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned