China ________ rapid economic development and political stability over the past three decades, but with them ________ some social problems.
#102374
A
has seen; has come
B
had seen; are coming
C
saw; will come
D
has seen; have come
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—Dick insisted he nothing wrong, and should not be criticized. Why?—Because he couldn’t help but tell a white lie.
#100630
A
did; tell
B
had done; but tell
C
do; telling
D
do; to tell
---Has Tom finished his composition yet? ---I have no idea, he _____ it this morning.
#103677
A
would write
B
has written
C
wrote
D
was writing
It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right.
#104361
A
had leaked
B
is leaking
C
leaked
D
has been leaking
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