根据句意及首字母或汉语提示写出单词的正确形式
Columbus discovered America but did not ________ (探索)the new continent.
Nearly 10 percent of the Earth's s ________ is covered by ice.
The artist had s ________ his name in the corner of the painting.
The island has been ruined by ________ (旅游业).
It was warmer now, and the snow was beginning to m ________ .
Several ________ (十年)have elapsed since I graduated from college.
She was being m ________ for her wedding dress.
A great ________ (块；堆)of rocks had fallen down from the cliff and blocked the road.
We can ________ (确认)our reservation.
He didn't pass the exam, but it was a good a ________ .

根据汉语提示完成句子
折断的花还能再活吗？
Can the flower that _____ _____ still live again?
这个团队是由十位医生和九位护士组成的。
The team was _____ _____ _____ ten doctors and nine nurses.
在去监狱的路上，那个囚犯突然挣脱警察跑了。
On the way to the prison, the prisoner suddenly _____ _____ from the policeman,
调查发现有10名官员涉及此案。
The investigation found ten government officials _____ _____ the case.
这是他第一次尝试销售自己的设备。
This is his first _____ _____ sell its own device.

China _____ a sharp increase in the number of Social Networking Services users in the past years.

My friend, Tom, left New York in 1976 and _____ since then.

I called the airline to _____ my flight reservation a week ago.