______ is even more important is ______ as the earth cooled down, water began to appear on its surface.
A. What, that B. That, what C, That, that D. What, what
相关试题
Residents ________ not to go out alone or to take part in any groups during the period of recent terrorist activities. 
| A．were always being warned | B．are always warning |
| C．always warned | D．had always been warned |
The father, along with his four children _______ Hangzhou. When they will be back ______ fixed. 
| A．have gone to, isn’t | B．had gone to, is not |
| C．went to, aren’t | D．has gone to, has not been |
It is said that the number of Chinese characters users can type on their mobile phones is ______ the total number of Chinese characters. The reason is that the character input systems are made by foreign cell phone producers.
| A．25 percent as less as | B．less than 25 percent |
| C．25 percent much than | D．25percent as much |
The reform has changed the whole nation. It cannot remain _________ it used to be.
| A．what | B．where | C．which | D．when |
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