The boy ____in the bed _____to his frien_爱下问搜题

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问题选择题

The boy ____in the bed _____to his friend that a cock laid an egg yesterday.[ ]

A lay ; lay

B. lying ;lay

C lying; lied

D. lied; lying

答案

答案：C

选择题

I like this pair of football boots. Could I ________ please? [ ]

A. try on it

B. try it on

C. try on them

D. try them on

问答题简答题

简述费用一效果分析的基本步骤。