Scientists are trying to develop a special material, _______ they will make use of in space.
#15438
A
that
B
what
C
it
D
one
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-- How many cakes can I have, Mum? -- _______, dear. They were prepared for your father.
#57342
A
Both
B
Either
C
None
D
All
．______was known to them all that William had broken his promise______ he would give each of them a gift.
#16889
A
As, which
B
What, that
C
It , that
D
It , which
—Do you have ready for the graduation ceremony，Ted?—No，we still have to find a famous speaker.
#14816
A
everything
B
something
C
anything
D
nothing
The name of LiuXiang will go down in history with ________ of Yuri Gagarin and Alan Shepard.
#14891
A
one
B
that
C
ones
D
those