There is no way of knowing why one man makes an important discovery ______ another man, also intelligent, fails.
| A．since | B．if | C．as | D．while |
Had she___her promise,she would have made it to Yale University.
| A．looked up tp |
| B．lived up to |
| C．kept up with |
| D．come up with |
—Do you know if Linda is willing to take charge of the program?
—___,does it?
| A．It takes no time |
| B．It counts for nothing |
| C．It doesn’t hurt to ask |
| D．It doesn’t make sense |
I have been convinced that the print media are usually more___and more reliable than television
| A．accurate |
| B．ridiculous |
| C．urgent |
| D．shallow |
I guess we’ve already talked about this before but I’ll ask you again just___
| A．by nature |
| B．in return |
| C．in case |
| D．by chance |
So far we have done a lot to build a low-carbon economy,but it is___ideal.We have to work still harder
| A．next to |
| B．far from |
| C．out of |
| D．due to |