Many air flights _________because of the eruption of the volcano, in _______case, many passengers had no choice but to take a train.
#103338
A
had been cancelled; which
B
have been cancelled; what
C
had been canceling; that
D
have been canceling; where
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The wireless video camera is ________to send its video signal to a nearby base station，allowing it to be viewed on a computer or a television．
#99870
A
persuaded
B
pretended
C
intended
D
advised
Those postcards were so lovely that they_________ in no time.
#99830
A
sold
B
had been sold
C
were sold
D
have been sold
Nelson Mandela__________ peacefully at his Johannesburg home on Thursday，President Jacob Zuma said.
#99626
A
dies
B
died
C
has died
D
had died
I am disappointed because I ______________my favourite writer yet.
#99547
A
didn’t see
B
haven’t seen
C
don’t see
D
have not been seeing
----- You seem in low spirits. Anything wrong?----- I ______ in the important exam. I let my parents down.
#101361
A
fail
B
failed
C
has failed
D
had failed