I toured the Great Wall，I was deeply impressed with the beautiful scenery．
| A．For the first time | B．At first |
| C．The first time | D．It was the first time |
The scientific awards, like the Nobel Prize in 2015, are equal to all, ______ the research findings are good enough.
| A．so | B．as long as | C．although | D．even though |
Only when___________ according to the directions can the medicine be quite effective.
| A．taking | B．taken |
| C．being taken | D．having been taken |
______, the car stopped all at once.
| A．Seeing a boy lying on the ground |
| B．On seeing a boy sitting on the road |
| C．The driver saw a boy standing on the road |
| D．The minute the driver saw a boy seated on the road |
Wuhan lies _____ the Changjiang River and the Han River meets.
A. where B. wherever C. that
I was watching the news on TV ________ the power went off.
| A．when | B．as | C．while | D．until |
—May I go now?
—__________ you've finished your work, you may go.
| A．After |
| B．Although |
| C．Now that |
| D．As soon as |
Grandma pointed to the hospital and said, “That’s ______ I was born．”
| A．when | B．how | C．why | D．where |
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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