35.Clearly,in a system every decision is made on the basis of tradition alone, it may be difficult to achieve progress.
A.that B.when C.where D.which
34.It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses .
A.had wiped out B.have wiped out
C.had been wiped out D.have been wiped out
33.If I you would drop in,I would have stayed home。waiting for you.
A.have known B.knew
C.would know D.had known
32.一When will you be back, Peter?
- a couple of days.
A.On B.In C.For D.By
31.All books to the library more than three days late will be subject to a fine.
A.return B.returning C.to return D.returned
30.When he was only thirty years old,he had already experienced most people only experience when they are much older.
A.what B.which C.who D.when
29. in the sport‘s world,a sportsman needs to train constantly to keep himself in best condition.
A.Survive B.Surviving C.To survive D.Survived
28.Listen, Mike.She have done it.She's been with me at the shop all day.
A.couldn’t B.shouldn’t C.needn’t D.Wouldn’t
27. -Do you want to go to the cinema tonight?
-Sorry, I’m so tired, I an early night.
A.have B.am having C.have had D.had