题目内容
Energy, passion and a burning desire are, you see, ________ true learning takes.
| A.that | B.what |
| C.how | D.which |
B
解析
How can you expect to get ahead in your life ______ you even live to yourself from time to time?
| A.though | B.until | C.before | D.when |
It will be another 50 years ______ our country is expected to reach the level of a medium developed country.
| A.since | B.before |
| C.that | D.when |
Whether ways will be found to stop pullution or not is just ________ worries the public.
| A.why | B.which |
| C.that | D.what |
Inside the White House, there is a room called the Oval Office. That's ________ President Obama works.
| A.why | B.where |
| C.what | D.how |
His shop was so well managed that he sold in just 5 months ________ his competitor sold in a year.
| A.how | B.what |
| C.whether | D.why |
It remains to be seen ________ this plan is practical enough to keep the project going.
| A.whether | B.how |
| C.where | D.when |
—Did you return Fred's call?
—I didn't need to ________ I'll see him tomorrow.
| A.though | B.unless | C.when | D.because |