问题

He was walking along the river __________ he saw a little boy lying under a tree.[ ]

A: while
B: when
C: as
D: which

正确答案是：

同类题型

填入下面一段文字横线处的语句，最恰当的一组是（）创新不是喊出来的，我们应该把关注的重点放在创新的源泉和创新力的形成上，。所以，要将创新转化为全社会的共识和行动，必须牢牢掌握实现转化的根本点，如此才能脚踏实地推进全社会的创新发展。①我们不仅要高举创新发展的旗帜②更要大力加强全社会的创新能力建设③眼睛不能只盯住创新的末端④而且要思考创新的源泉在哪里⑤而忽视了创新的基础建设⑥提倡创新发展，践行创新发展

You should_______me of the meeting tomorrow morning. I’m Miss Forgotten.— Don’t worry. I will.

How much _______ she looked without her glasses!

It ______ to me that I might try this way to deal with this problem.

I didn’t see you at the party yesterday.-Oh, I ______ a meeting at that time.