问题
选择题
Stephen Hawking believes that the earth is unlikely to be the only planet ___________ life has
developed gradually.[ ]
A. that
B. which
C. whose
D. where
答案
D
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Stephen Hawking believes that the earth is unlikely to be the only planet ___________ life has
developed gradually.[ ]
A. that
B. which
C. whose
D. where
D