单项选择题

E-mail, as well as telephones, ______ an important part in daily communication.

A. is playing
B. have played
C. are playing
D. play
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单项选择题
______ will make a trip around the world during the coming Christmas.
A. The Evens
B. The Evens'
C. The Evenses
D. The Evenses'
单项选择题
The first two questions were easy, but the rest of them ______ not.
A. was
B. were
C. being
D. to be
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