When _________ where he had put the book, he kept silent.A．askB．askingC．to askD．_刷题宝

题干

When _________ where he had put the book, he kept silent.

A．ask

B．asking

C．to ask

D．asked

上一题下一题 0.4难度单项选择更新时间:2012-06-28 07:03:13

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库