---How long do you think it will be __________ China sends a manned spaceship to the moon?
--- Perhaps two or three years.
| A．when | B．until |
| C．that | D．before |
Sally worked late in the evening to finish her report __________ her boss could read it first thing next morning.
| A．so that | B．because | C．before | D．or else |
【原创】A man does not know the difficulty of anything_________ he does it personally.
| A．although | B．if | C．because | D．unless |
（年北京市西城区高三5月二模试题）22. ______ Stephon Marbury is an American, he has become a role model among Beijing
basketball fans.
| A．As | B．Although | C．When | D．Since |
— ______ she finds out that you’ve lost her book?
— I really don’t know.
| A．What about | B．How about |
| C．If only | D．What if |
（年安徽省合肥市高三第三次教学质量检测）28. Let's take a bus or taxi to the park — ______ you'd prefer to walk.
| A．since | B．in case | C．unless | D．now that |
______, tears came to her eyes.
| A．Reading the letter |
| B．While reading the letter |
| C．As she was reading the letter |
| D．To read the letter |
The map is one of the best tools a man has ________ he goes to a new place.
| A．whenever | B．whatever |
| C．wherever | D．however |
After three hours’ drive , they arrived in ______ they thought was the place they had been looking forward to visiting．
| A．which | B．that | C．where | D．what |
________ much media attention is paid to the topic of raising children or caring for elderly parents in their final years，it seems ________ not much is explained on being a parent.
| A．While；that | B．As；like |
| C．Because；that | D．Since；/ |
________, you'll never be able to persuade him.
| A．However hard may you try | B．Try however hard you may |
| C．Hard as you may try | D．Try hard as you may |
She couldn' t find her son_ she had dropped him off．
| A．when | B．until |
| C．although | D．where |
He was told that it would be at least 3 more months he could recover and return to work.
| A．until | B．as soon as | C．since | D．before |
Mom, don’t you think it’s OK to play once in a while it doesn’t affect my studies?
| A． even if | B． unless |
| C． so that | D． as long as |
Martin Smith who, at 22, is one of the male nannies (保姆) admits that it will be some time ______ male nannies are totally accepted.
| A．since | B．until |
| C．before | D．after |
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