问题
选择题
34. －Are you sure you have to? It’s been very late.
－I don’t know ________ I can do it if not now.
A．how
B．what
C．when
D．That
答案
C
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34. －Are you sure you have to? It’s been very late.
－I don’t know ________ I can do it if not now.
A．how
B．what
C．when
D．That
C