【1】This ________(is /are ) my father.

【2】What ______ your mother _______(do/ does )?

【3】Is he ________(a/an ) engineer?

【4】They _______(want/ wants) to be police officers .

【5】________(Do/Does ) Peter go to school by bus?

【答案】

【1】is

【2】 does do

【3】an

【4】want

【5】Does

【解析】

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