单项选择题

It is important that the hotel receptionist ______ that guests are registered correctly.

A．make sure
B．has made sure
C．made sure
D．must make sure
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单项选择题
If the building project ______ by the end of this month is delayed, the construction company will be fined.
A．being completed
B．is completed
C．to be completed
D．completed
单项选择题
What you say now is not______ with what you said last week.
A．consistent
B．persistent
C．permanent
D．insistent
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