The war made ______ impossible for the scientist to go on with his research.
#92574
A
him
B
it
C
this
D
that
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Using his hybrid rice, farmers are producing harvests before.
#93010
A
as twice large as
B
twice large than
C
larger than twice
D
twice as large as
It remains whether Jack will be fit enough to play in the final.
#93905
A
seen
B
to be seen
C
seeing
D
to see
----These days many fan-boys are queuing for the latest iPhone 5.----Yes, but is still some doubt it is really better than iPhone 4s.
#92136
A
there; whether
B
it; whether
C
there; that
D
it; that
—You look unhappy， my son?—I’m wondering how long it’ll be we come to China again.
#92681
A
since
B
when
C
before
D
after