题目内容
Visitors not to touch the exhibits.
| A.will request | B.request |
| C.are requested | D.are requesting |
C
试题分析:句意:游客不被允许触摸展览品。分析语境可知为被动语态,故选C。
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题目内容
| A.will request | B.request |
| C.are requested | D.are requesting |