问题
选择题
The chair looks rather hard, but in fact it is very comfortable to _______. [ ]
A. sit
B. sit on
C. be sit
D. be sat on
答案
答案：B
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The chair looks rather hard, but in fact it is very comfortable to _______. [ ]
A. sit
B. sit on
C. be sit
D. be sat on
答案：B