问题
选择题
He waited _______ waited, _______ saw nothing and nobody at 1ast.
[ ]
A. or; but
B. and; or
C. and; but
D. or: and
答案
答案：C
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He waited _______ waited, _______ saw nothing and nobody at 1ast.
[ ]
A. or; but
B. and; or
C. and; but
D. or: and
答案：C