21.-Why are you looking so sad, Tom?

  -The football match _______for tomorrow will not be held.

A. planned  B. planning  C. to plan  D. to be planned

22.He was absorbed ______ the book.

A. of   B. in   C. at  D. with

23._____them, I had no one to talk to.

A. Take apart  B. Set apart  C. Fall apart  D. Apart from

24.Most people didn’t accept the theory when it was first ______.

A. set about  B. set off  C.put forward  D. put out

25. I wondered ______ of you _____ is _______ such an accident.

A. who; to be blamed on   B. whom, blaming to

C. which; to blame for    D. who; to be blamed for