题目内容

【C6】

A. that
B. which
C. what
D. where

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【C5】

A. but
B. however
C. so
D. while

【C17】

A. which
B. that
C. what
D. /

【C4】

A. who
B. which
C. what
D. where

【C2】

A. in
B. at
C. on
D. to

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