How many______ can you see in the pictur_爱下问搜题

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问题选择题

How many______ can you see in the picture?[ ]

A. box

B. books

C. man

D. woman

答案

答案：B

填空题

计算（-2a²b³）⁴=（）。

单项选择题

We' d like to clear up some points ( )with the technical part of the contract.

A．connected

B．connect

C．connecting

D．being connected