It was in the lab ________was taken charge of by Johnson ________they did the experiment.
#68046
A
where；which
B
which；that
C
which；which
D
that；which
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When asked what they would volunteer to do, ________ said they were willing to do something they could.
#67997
A
half of these
B
half of which
C
half of whom
D
half of them
News came __________ the H1N1 virus may spread more quickly than was thought.
#70761
A
when
B
where
C
which
D
that
The little boy was in danger. The doctors and nurses are doing him.
#69299
A
what they can do help
B
everything they can help
C
what they can to help
D
all what to help