lifebeganontheearthisoneoftheb

首页 / 高中英语 / 试题详细

______life began on the earth is one of the biggest puzzles to scientists.

A．How

B．What

C．Where

D．That

登录免费查看答案和解析

相关试题

Only when _______ .

A．did he arrive the meeting began	B．he arrived did the meeting begin
C．did he arrive the meeting begin	D．he arrived the meeting began

收藏答案/解析

Then _______ we had been looking forward to.

A．came the hour	B．the hour came
C．comes the hour	D．the hour is coming

收藏答案/解析

Little________what you said. I wish you had repeated it!

A．did I understand	B．I understood
C．I did understand	D．have I understood

收藏答案/解析

He has been to America twice, _____.

A．so have I

B．so I have

C．I have so

D．so did I

收藏答案/解析

There must be ____ with the machine.

A．something wrong serious	B．something seriously wrong
C．something serious wrong	D．something wrong seriously

收藏答案/解析

相关知识点

从属连词

推荐套卷

热门套卷

粤ICP备20024846号

声明：本网站部分内容由互联网用户自发贡献自行上传，本网站不拥有所有权，也不承担相关法律责任。
如果您发现有涉嫌版权的内容，欢迎发送邮件至：service@youtike.com 或联系QQ：267757 进行举报，一经查实，本站将立刻删除涉嫌侵权内容。