The chair looks rather hard, but in fact
题型：选择题
问题：
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
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