单项选择题

Ted Robinson ______ these days.

A. was worried
B. is worried
C. had been worried
D. has been worried
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单项选择题
The construction of the building ______ by the end of this month.
A. will have completed
B. will have been completed
C. will be completed
D. will completed
单项选择题
Why is there ______ traffic on the streets today than yesterday
A. less
B. little
C. fewer

D. Few
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