We have some _________and ________for su

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问题选择题

We have some _________and ________for supper. [ ]

A. potato, tomato

B. potato, tomatoes

C. tomatoes, potatoes

答案

答案：C

选择题

________ three times，but she still couldn’t follow what the old man said．

A．Having told

B．Having been told

C．She had been told

D．Though she had been told

问答题简答题

氧弹准备部分，引火丝和电极需注意什么？