is up to us to give them all the help we can.A.That; thatB.What ; whatC.It , wha
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____ is up to us to give them all the help _____ we can.
A.That; that
B.What ; what
C.It , what
D.It, /
试题答案
D
____ is up to us to give them all the help _____ we can.
A.That; that
B.What ; what
C.It , what
D.It, /
D