赞题库-背景图

单项选择题

Do you know the boy ______ under the big tree7

A．lay
B．lain
C．laying
D．lying

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热门试题

单项选择题My brother ______ while he ______ his bicycle and hurt himself.

A．fell... was riding
B．fell... were riding
C．had fallen... rode
D．had fallen... was riding