30 % of the young trees, attacked by diseases, ________pine trees.
#103690
A
is
B
are
C
was
D
has been
推荐题目
It's going to rain.Tom，will you please help me________the clothes on the line?
#99183
A
get off
B
get back
C
get in
D
get on
-Have you seen the film? --Yes. I _______ it three times when I was in Tokyo.
#104184
A
saw
B
had seen
C
have seen
D
was seeing
I won’t tell the student the answer to the math problem until he ____on it for more than an hour.
#99288
A
has been working
B
will have worked
C
will have been working
D
had worked
He gave us advice that this work ________.
#99563
A
should cancel
B
would be cancelled
C
not be cancelled
D
should not cancel
--Jane is seriously ill in hospital. ---Oh, sorry to hear that. I___to see her at once.
#103579
A
am going
B
am to go
C
shall go
D
am about to go