31.The windows are believed _____ by Jack.　

A.broken　　　 　　　　　 B.to be broken　　 C.to break　　　 D.to have been broken

30.Over time, she _____ all the hardships and gradually learns the meaning of life.　

A.gets through　　　 B.goes by　　　 　　 C.finds out　　　 D.breaks into　

29.The roof feel _____ he had time to dash into the house to save his baby.

A.as　　　 　　　　　　　　 B.after　　　 　　　 C.until　　　 　　　 D.before　

28.In some countries, _____ are called “public schools” are not owned by the public.　

A.which　　　 　　　　　 B.as　　　 　　　　　 C.what　　　 　　　 D.that　

27.-I just heard that the tickets for tonight’ s show have been sold out.　

-Oh no! _____.

A.I was looking forward to that　　　　　 B.It doesn’ t matter

C.It’ s not at all interesting　　　　　 　　　 D.I knew it already　

26.-Shall we go outing this weekend?　

-Oh, with all this work _____. I don’ t know if I’ ll have time to go out.

A.to do　　　 　　　　　　 B.doing　　　 　　　　　　 C.done　　　 　　　　　　 D.do　

25.He is an astronaut, _____ is the admiration of all the young people nowadays.

A.who　　　 　　　　　　 B.which　　　 　　　　　 C.that　　　 　　　　　　　　　　 D.what　

24.I had been puzzled over the problem for over an hour without any result, _____ all at once the solution flashed across my mind.　

A.while　　　 　　　　　　 B.when　　　 　　　　　　 C.then　　　 　　　　　　　 D.as　

23._____ in the chimney for five hours, the thief looked very pale and tired.

A.Trapping　　　 　　　　　　　　　　　　　　　　　 B.Being trapped

C.Having trapped 　　　　　　　　　　　　　　　　　　 D.Having been trapped　

22.-_____ Mr. Hopkins _____ this week?　

-No. He is on holiday.　

A.Does;work　　　 　　 B.Is;working　　　 C.Has;worked　　　 　　　 D.Will;work