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I don’t know _________.
#93966
A
what to do it
B
how to do it
C
what to do
D
to do what
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 Is _____ possible to fly to the moon in a spaceship?
#94704
A
now
B
man
C
it
D
that
I think that this meal was well worth _______ was charged for it.
#95065
A
that　
B
what
C
which
D
how many
The earth is 49 times ___the moon.
#94659
A
as bigger as
B
so big as
C
the size of
D
of the size of
It remains________ whether Jim will be fit enough to play in the finals.
#92586
A
seen
B
to be seen
C
seeing
D
to see
How long do you think ______ the Microsoft brings out a new product?
#92259
A
it will be before
B
will it be until
C
will it be when
D
it will be that