Mrs．Wang： Hello， Dr．Liu． This is Mrs． Wang speaking．
Dr．Liu： Hello， Mrs．Wang． （1） ？
Mrs．Wang：I' m worried， so I have some questions to ask you． As we know， these days many people have COVID﹣19．（2） ？
Dr．Liu ： First， we should exercise often to build us up． Second， （3） ．Third， we should wash hands often．
Mrs． Wang：（4） ？
Dr Liu： We must keep away from crowded people． We'd better not go to public places．
Mrs．Wang： Must we go to see a doctor at once when we have COVID﹣19？
Dr．Liu： Yes， we must．
Mrs．Wang： （5） ． Thank you!
（ Student A and student B meet at the school gate after school．）
A：Hi，Liangliang．I called you at 9：00 last night，but you didn't pick up．What were you doing？
B：（76）
A：Why
B：For our school sale next week．
A：Oh，I almost forgot about it．I've also got something to sell．
B：．（77）
A：Well，I will sell some school things that I no longer use．
B：（78）
A：I'm not sure．Maybe I will buy a schoolbag．What's your plan？
B：（79） They need help．
A：That's a good idea!I will do it，too．（80）
B：Yes，I hope we can help more people．
| What will you sell？ I was doing my homework． I will give the money to poor children． It's always great to help others． Then what will you do with the money？ Where will you sell them？ I was collecting my old books and toys． |
Do you mind my opening the window？
．（ ）
| A． |
Of course not |
B． |
No，you don't |
| C． |
That's right |
D． |
It's a pleasure |
A．Don't forget to show me the photos when you come back．
B．An adult panda has only one baby every two years．
C．What can we do to help them？
D．This is one of the reasons．
E．Is it very cute？
F．What's up？
Alice：Hi，Frank!Are you free on Saturday？
Frank：Yes．（41）
Alice：I heard a baby panda was born in the zoo．Let's go and have a look．
Frank：Oh，I have been there twice．I think you'd better learn something about pandas before you go to the zoo．
Alice：I know a little．（42） There are about 2，000pandas living in the forests．
Frank：That's true．They are endangered now．
Alice：Why？Is it because they don't have babies very often？
Frank：（43） Another main reason is that humans cut down lots of bamboo forsts，and pandas don't have enough food to eat．
Alice：What a pity!（44）
Frank：We can make some posters to tell people the importance of saving pandas．
Alice：I will take some photos of the pandas first when I visit the zoo．
Frank：（45） Have a good time!
Alice：Thank you．
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