We should ______ all the figures and see if we have enough for the project.A．add_刷题宝

题干

We should ______ all the figures and see if we have enough for the project.

A．add	B．add to
C．add up to	D．add up

上一题下一题 0.64难度单项选择更新时间:2015-01-04 06:56:23

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