问题
选择题
I think we ______ be able to have holidays on the moon in about twenty years' time.
[ ]
A. are going to
B. will
C. can
D. would
答案
答案：B
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I think we ______ be able to have holidays on the moon in about twenty years' time.
[ ]
A. are going to
B. will
C. can
D. would
答案：B