用方框中所给词语的适当形式填空，使短文正确、通顺、连贯。（每词限用一次）

A piece of cake

I knew little about English when I first came to America．So I went to a language school every day   1   English．One day，during the break，I asked one of my classmates a   2   that I didn't understand．When I thanked   3   for it，she said，“You are welcome．It's a piece of cake．”I thought to myself：   4   is really a society（社会）for money．Everything   5__   for pay there．So I said to her，“I   6   any piece of cake with me today．What about a piece of biscuit?”

She looked at me   7  ，then smiled．Then she realized that I   8   her．She said，“What I mean is ‘  9  ’．”Then I came to learn that “a piece of cake” is not only a piece of cake，  10   means a thing that is very easy．

根据对话内容在空白处填写入一个适当的词语使对话完整。
Doctor: What's____with you, young man?
Paul: I don't feel____.
Doctor: I'm____to hear that. Please take____your shirt and____down on the bed.
Paul: Yes, doctor.
Doctor: Well, there's___much wrong with you. Do your take much exercise?
Paul: No, doctor. I never have___time for exercise.
Doctor: How do you sleep?
Paul: Very badly, doctor. Can you give me____medicine to help me sleep?
Doctor: Yes, I can, but I'm not going to. You don't need medicine. Just take more exercise.
Paul: You're right, doctor. It's important for me to____healthy. Thank you for your advice.
Doctor: You're welcome. I____you feel better soon.

根据短文内容及首字母提示，填写所缺单词。

The Antarctica (南极洲) is the most southern area of land on the earth and is mostly covered with ice. People have never wanted to l  76   there because of its coldest temperature. But now scientists from all over the w  77   come to study the ice to learn more about the earth’s history.

Some scientists live on Antarctica for part of the y  78  . But they don’t usually stay there for more than six months b  79   there are six months of light and six months of darkness.

Antarctica usually has a good deal of f  80   weather without any wind at all. The strong winds are usually only in some parts of it. It is also i 81   to learn that it isn’t very wet there. There is very l  82   snow or rain. It snows on the ice in winter, but at other times Antarctica is d  83  , just like the Sahara Desert.

In winter the sea around Antarctica freezes (结冰) for t  84   of kilometres. But scientists tell us that the earth is getting w  85  . So in the future, there may be less ice in the Antarctic sea. When that happens, our weather will never be the same again.

—I have ______ today, so I can’t go to school．

—I’m ______ to hear that．

A．cold, sorry       B．cool, happy       C．a cold, sorry      D．a cool, sorry

—I have ______ today, so I can’t go to school． 

—I’m ______ to hear that．

A． cold, sorry         B． cool, happy          C． a cold, sorry          D． a cool, sorry