情态动词的被动语态
1．Do let your mother know the truth. She appears________ everything.
A．to tell
B．to be told
C．to be telling
D．to have been told
2．Visitors_ _______not to touch the exhibits（展品）.
A．will request
B．request
C．are requesting
D．are requested
3．Mr. Lopes was much disappointed（失望）to find the bike he had had_ _______went wrong again.
A．it repaired
B．repaired
C．repaired it
D．to be repaired
4．—Why did you come by taxi?
—My bike broke down last night and I ________it repaired.
A．didn't have
B．don't have
C．won't have
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