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A.So vital the authority findsB.So vital does the authority find.

C.So vitally the authority findsD.So vitally does the authority find

— I’ll call back later

A. hang up B. give up

C. hold up D. take up

---- Not yet. The papers _______ .

A. are corrected (批改) B. have not corrected

C. are being corrected D. have been corrected

A.ideaB.feelingC.mindD.sense

A. came about B. came out

C. came along D. came across

A. in some ways B. in this way

C. in the way D. on the way

A.sensitiveB.affordableC.ridiculousD.reasonable

A.whichB.whereC.whenD.what

—_____,if I were you, I would not accept it.

A.Generally speakingB.That is to say

C.To be honestD.To my surprise

—I regret to tell you that. When you arrive, it will have ended and I ________ questions with my students.

A．would discuss B．will discuss

C．will be discussing D．am discussing