Provide your doctor with a detailed medical history ______ he can give you the accurate treatment.
| A．even if | B．so that |
| C．in case | D．as though |
While ____the dog, you should take care not to ____.Otherwise, it may be dangerous to strangers.
| A．walking; get loose | B．walk; be loose |
| C．walking for; get it loose | D．training; get it run |
We were just about ready to leave _____ it started to snow.
| A．when | B．before | C．after | D．since |
Though ______ to see us, the professor gave us a warm welcome.
| A．surprised | B．was surprised | C．surprise | D．being surprised |
________on a clear day，far from the city crowds，the mountains give him a sense of peace.
| A．Walked | B．To walk |
| C．Having walked | D．When he is walking |
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 |
It was five o’clock in the afternoon _____ they climbed up to the top of the mountain.
| A．since | B．when | C．that | D．until |
__________ you understand the rule, you will have no further difficulty.
| A．While | B．Once | C．Though | D．Unless |
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