题目内容
(2013·江苏，28)In the global economy，a new drug for cancer，________it is discovered，will create many economic possibilities around the world.
| A．whatever | B．whoever | C．wherever | D．whichever |
C
解析
优翼小帮手同步口算系列答案–I could not start my car this morning due to the cold weather.
--No wonder you were late. You ___ have used mine. I was not using all the morning.
| A．should | B．must | C．could | D．might |
—Did you return Fred's call?
—I didn't need to ________ I'll see him tomorrow.
| A．though | B．unless | C．when | D．because |
The field research will take Luffy and Steven about two weeks; it will be a long time _______ we _______ again.
| A．before; met | B．since; meet | C．before; meet | D．since; met |
House prices vary from place to place and are usually high ____ there are famous schools.
| A．since | B．when | C．whether | D．where |
I will put the book________you placed it and make a mark at the place________I put it.
| A．where；at which | B．at which；at which |
| C．where；which | D．at which；where |
John shut everybody out of the kitchen ________ he could prepare his grand surprise for the party.
| A．which | B．when | C．so that | D．as if |
If you are traveling ________ the customs are really foreign to your own，please do as the Romans do.
| A．in which | B．what | C．when | D．where |
Owen wouldn't eat anything ________ he cooked it himself.
| A．until | B．since | C．unless | D．while |