China's icebreaker Xuelong ______ by heavy floes since Friday after rescuing passengers on a Russian vessel stranded in Antarctica.
#99668
A
has been trapped
B
had been trapped
C
has trapped
D
was trapped
推荐题目
31.By the time we _____the airport, the plane_____.
#103311
A
arrived at; had taken off
B
had got to; took off
C
got to; had taken away
D
arrived at ; had taken away
---Did you enjoy staying with your good friend last week,Lily?---Yes, I______ with him for a long time.
#102617
A
haven’t stayed
B
didn’t stay
C
wouldn’t stay
D
hadn’t stayed
–-Did you mind if we set out earlier tomorrow morning? ---Well, I’d rather you __________．
#103055
A
don’t
B
won’t
C
didn’t
D
wouldn’t
Dr. Smith, together with his wife and daughters, __ visit Beijing this summer.
#101971
A
is going to
B
are going to
C
was going to
D
were going to
With the rise of modern communication tools, handwritten letters ______ by emails.
#100623
A
will replace
B
have replaced
C
are replaced
D
are being replaced