Manycitiesissuedawarningofairp

Many cities issued a warning of air pollution for PM-2.5 readings, which became
Concern of all the people

A．the; the

B．the;/

C．/;a

D．an;a

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All but one＿＿＿＿take part in the conference＿＿＿＿tomorrow.

A．is going to； that is to take place	B．are going to； that is about to take place
C．are going to； that is to be taken place	D．are going to； which is to be held

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—— Is Tom still smoking ?
—— No.By next Saturday he ＿＿＿＿＿＿＿ for a whole month without smoking a single cigarette.

A．will go

B．will have gone

C．will have been

D．has been going

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I should very much like to have gone to that party of theirs, but ＿＿＿＿＿.

A．I’m not invited	B．I was not invited
C．I have not been invited	D．I had not been invited

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—— Sorry, I forget to post the letter for you.
—— Never mind, ＿＿＿＿＿ it myself tonight.

A．I’m going to post

B．I’ve decided to post

C．I’ll post

D．I’d rather post

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—— What were you up to when your parents came in?
—— I＿＿＿＿＿for a while and＿＿＿＿＿some reading.

A．was playing； was going to do	B．played； did
C．had played； was going to do	D．had played； did

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