1 . ____________, and all the problems could be settled.

A．If you make more efforts	B．Making more efforts
C．A bit more effort	D．To have made more efforts

2 . ______ (报名) the activity, and you will get the joy of trying something new. (根据汉语提示完成句子)

3 . 在山区一个宁静的早晨，你可以感受到阳光照在你的皮肤上，呼吸着鲜花的芬芳，鸟儿用早晨的歌声来迎接新的一天。
On a quiet morning in the mountains, ______ on your skin, and breathe in the ______ fresh flowers while birds ______ with their morning song.

4 . 如果你方便的话，请马上过来。(convenient)(汉译英)
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5 . Please e_________ that all lights are switched off before you leave. (根据首字母单词拼写)

6 . Please don’t h________ to contact me if you have any questions. I’m delighted to offer you advice on applying for a scholarship. (根据首字母单词拼写)

8 . 如果你能来星期五就告诉我一声。(汉译英)
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9 . _______________________ (确保) you spare some time to learn about the theory of evolution. (根据汉语提示完成句子)