Scientistsallovertheworldarene

Scientists all over the world are new medicine to fight COVID﹣19.

A．blowing outB．trying out

C．leaving outD．keeping out

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﹣Why don't you buy the sweater？

﹣﹣It's too ____，and I don't have enough money to buy it．（　　）

A．niceB．expensiveC．popularD．cheap

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Thanks for inviting ______ to your food festival．We really enjoyed ourselves．（　　）

A．weB．theyC．themD．us

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Lang Lang is ______ famous pianist．He plays ______ piano very well．（　　）

A．a，theB．the，theC．the，/D．a，/

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Would you mind my opening the window？

______，I've got a cold．（　　）

A．Never mindB．You'd better not

C．All rightD．With pleasure

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Can I get you a cake?

______，but I have already got one．（　　）

A．No you can't

B．Here you are

C．You're welcome

D．That's very nice of you

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