didtherainstormcome，Mr．Liu？Whi

______did the rainstorm come， Mr． Liu？

While we_____a chemistry lesson yesterday afternoon．（　　）

A．	When； have had	B．	When； were having
C．	While； are having	D．	While； have

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相关试题

- Remember to keep a safe distance（距离）at least one meter，Tina!

-_________.It's necessary for us to do so in public.（　　）

A．	OK，I will	B．	Sorry，I won't
C．	It doesn't matter	D．	Not at all

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-What ________ can you give me on my future study？

-Believe in yourself.You can do it.（　　）

A．	news	B．	advice
C．	attention	D．	information

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﹣﹣﹣Julia，I'm sorry for what I have done.

﹣﹣﹣______ .I know that people get mad easily when they're under pressure.（　　）

A．	That's for sure	B．	Never mind
C．	With pleasure	D．	Of course not

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﹣﹣﹣Uncle Li，I wonder ______ in Beijing.

﹣﹣﹣The red autumn leaves of the Fragrant Hills （香山）are the most beautiful.（　　）

A．	when I can eat Beijing Duck
B．	what the weather is like
C．	where I can enjoy the beautiful autumn
D．	how I can get to the Great Wall

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﹣﹣﹣The classroom is so quiet.

﹣﹣﹣Yes，all the students______ for the final exam.（　　）

A．	prepare	B．	prepared
C．	will prepare	D．	are preparing

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