Having checked the doors were closed , and _________ all the lights were off, the boy opened the door to his bedroom.
#74493
A
why
B
that
C
when
D
where
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In the global economy, a new drug for cancer, it is discovered, will create many economic possibilities around the world.
#67662
A
whatever
B
whoever
C
wherever
D
whichever
The news spread yesterday ______President HuJingtao had inspected HongKong army during the 15th anniversary of HongKong returning to China.
#68094
A
when
B
whether
C
that
D
how