Idon’tknowhewillleavetomorrowo

I don’t know _______ he will leave tomorrow or not.
A. whether B. if C. weather

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Beijing ______a lot in the past ten years. Now it has become one of the biggest modern______ in the world.

A．changes, cities

B．changed, city

C．changed, cities

D．has changed, cities

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Sometimes playing computer games can ______ students’ study.

A．get in the way of

B．get the way

C．get in the way on

D．get in the way with

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— I don’t know the new word.
— It doesn’t matter, you can ______ in the dictionary.

A．look up it

B．look it up

C．look for it

D．look it for

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We teachers should ______ students ______ us questions in class.

A．be allowed, to ask

B．let, to ask

C．encourage, to ask

D．allow, ask

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— I have trouble ______ my new computer.
— Don’t worry. I will show you ______.

A．to use, how to use

B．to use, what to use

C．using, what to use it

D．using, how to use it

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