.The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.
#4749
A
delay
B
effort
C
schedule
D
consideration
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I’d appreciate ____ if you would like to teach me how to use the computer.
#4870
A
that
B
it
C
this
D
you
There were signs here and there, _____ visitors to look out for ______ rocks.
#5018
A
warning; fallen
B
warned; falling
C
to warn; fallen
D
warning; falling
--Is Bob still performing ? --I’m afraid not . He is said the stage already as he has become an official.
#4532
A
to have left
B
to leave
C
to have been left
D
to be left
Will you have a free evening tonight? ______, let’s have a dinner together.
#4708
A
If not
B
Why not
C
If so
D
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