问题
选择题
The workers a new bridge now. The traffic in our city will be better soon.
A．build
B．built
C．are building
D．were building
答案
答案：C
此题考查动词的时态。根据now可知考查的是现在进行时的基本构成，be+ving，因the workers是复数，系动词be要用are，故选C。
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