life will continue on the earth for millions of years to come will depend
题型：不详难度：来源：
life will continue on the earth for millions of years to come will depend on the problem of pollution can be solved.| A．How /whether | B．That/that | C．Whether / if | D．Whether / whether |
|
答案
| D |
解析
| 本题考查主语从句和宾语从句。做此题必须要看清楚第一空是一个主语从句，而第二空是一个介词后的宾语从句。因此，根据句意，生命是否会在以后的几百万年里继续将取决于污染问题能否被解决。二空都要填是否。但主语从句“是否”只能用whether,介词后也只能用whether.所以选择答案D。 |
举一反三
is more important is as the earth cooled down, water began to appear on its surface.| A．What /that | B．That/what | C．What / what | D．That / that |
|
Many workers were organized to clear away remained of the World Trade Center.| A．those | B．that | C．what | D．where |
|
| I’ve been away for only three years, _____ I can hardly recognize my hometown |
You cannot take back your words _________ they are out of your mouth.| A．before | B．whether | C．once | D．while |
|
Take the note as a reminder_________ you forget to buy some sweets for the kids while shopping there. | A．so that | B．even if | C．in case | D．as if |
|
最新试题
热门考点