____ for your help, we wouldn’t have succeeded.
A. Hadn’t it been
B. had it not been
C. If it had been
D. if it were
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The murderer was brought in, with his hands ____ behind his back.
A. being tied
B. having tied
C. to be told
D. tied
He knows little of Maths, and ____ of chemistry.
A. much less
B. much more
C. even more
D. still more
They have ____ most carefully the time and the materials needed to complete the Project.
A. picked up
B. left out
C. taken out
D. figure out
This hall can ____ 1000 people. You can ____ where you like.
A. hold…seat
B. be seated …seated
C. seat …be seated
D. hold…seating