How did your brother make such a stupid

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问题选择题

How did your brother make such a stupid mistake ______ he had a such a good knowledge of the

steps and cautions over operating the machine.[ ]

A. when

B. because

C. while

D. that

答案

答案：A

补全对话，情景问答

Read and choose．英语小灵通。根据情景选择最佳答案。

1．当你在商店购物时，售货员会说： [ ]

A. Can I help you ?

B. Let me help you.

C. Thank you.

2．当你打扰别人时要说： [ ]

A. Hello!

B. You're welcome.

C. Excuse me.

3．当你去看病时，医生会问你： [ ]

A. How are you ?

B. What's the matter with you ?

C. That is all.

4．当别人向你说谢谢时，你应说： [ ]

A. Good.

B. Thank you.

C. That's OK.

5．当别人称赞你时，你应说： [ ]

A. Thanks.

B. It's not good.

C. That's all right.

单项选择题

自我能力的认知具有重要的（）。

A.发展意义

B.塑造意义

C.社会意义

D.成长意义