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【简答题】
These(build) ______ materials may be used for outside walls.
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举一反三
【单选题】We booked rooms at the hotel ______ we should find no vacancies on our arrival.
A.
if
B.
lest
C.
since
D.
whenever
【单选题】We booked rooms at the hotel ______ we should find no vacancies on our arrival.
A.
whenever
B.
if
C.
since
D.
lest
【单选题】听力原文：M: Hello, I'm calling to make sure of the rooms we have booked. W: Yes. May I know your name and the room numbers? What is the purpose of the call?
A.
To book some rooms.
B.
To confirm the reserved rooms.
C.
To make sure of the room numbers.
D.
To reserve hotel rooms.
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