Before Chinese Chang’e-2, the US sent up a space probe (探测器) to hit the moon to see ______.
#69622
A
whether there was water on it
B
whether was there water on it
C
whether on it was there water
D
whether was water on it
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The kind-hearted couple decided to adopt the boy ____ parents had been killed in an accident.
#74256
A
of whom
B
with whom
C
on whom
D
in whose
--Can you tell me to live a low-carbon(低碳) life? -- OK. Use both sides of the paper. Don’t use plastic bags or disposable goods(一次性用品).
#41409
A
how
B
why
C
when
D
where
The argument remains extremely heated it is necessary to frequently update teaching material.
#69189
A
that
B
which
C
if
D
whether