They have given us _______ valuable information .
A. a lot of
B. many
C. a few
D. a number of
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Mary is spreading _______butter on her bread.
A. many
B. a few
C. a little
D. a small number of
You cannot fill in the air waybill in language other than English.
A. 对
B. 错
A guide should add extra shopping programs, extend the shopping time after the trip is over.
A. 对
B. 错
A guide should ask for the rake-off or brokerage because they work hard.
A. 对
B. 错