问题
选择题
.I tried hard to get some information about the new technology out of his mouth,but he
remained . [ ]
A.quiet
B.secret
C.silent
D.calm
答案
答案：C
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.I tried hard to get some information about the new technology out of his mouth,but he
remained . [ ]
A.quiet
B.secret
C.silent
D.calm
答案：C