Howlongdoyouthinkitwillbescien

首页 / 高中英语 / 试题详细

How long do you think it will be _______ scientists succeed in providing a cure for cancer?

A．when

B．after

C．since

D．before

登录免费查看答案和解析

相关试题

--- When did you last see your first teacher?
--- On ______ Friday last June, at ______ celebration of her 40^th year of teaching.

A．a; the

B．a; a

C．/; a

D．/; the

收藏答案/解析

Father made a promise ______ I passed the exam, he would buy me a PS4.

A．if

B．that if

C．whether

D．that

收藏答案/解析

--- Alex came back home the day before yesterday.
--- Really? Where ______ at all?

A．had he been

B．has he been

C．had he gone

D．has he gone

收藏答案/解析

The dangerous virus ______ in the next few weeks in the laboratory can cause fatal diseases.

A．studying	B．studied
C．to study	D．to be studied

收藏答案/解析

How can you expect him to make any progress ______ you never give him a chance to have a try?

A．when

B．unless

C．once

D．until

收藏答案/解析

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。