单项选择题

New technologies and skills will speed up the ______ of information.
A) transfer C) traffic
B) trip D) transport

A．New technologies and skills will speed up the ______ of information.
B．transfer
C．trip
D．traffic
E．transport
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单项选择题
Mr. and Mrs. Smith and a friend of ______ are coming to see me this afternoon. A) theirs C) hers B) their D) her
A．Mr. and Mrs. Smith and a friend of ______ are coming to see me this afternoon.
B．theirs
C．their
D．hers
E．her
单项选择题
Please say hello to Mr. Smith. Not ______ his address, I can't visit him personally. A) known C) to know B) know D) knowing
A．Please say hello to Mr. Smith. Not ______ his address, I can't visit him personally.
B．known
C．know
D．to know
E．knowing
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