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
25.Let's go a little faster, we’ll never get there on time.
A.yet B.or C.so D.and26.With age,the mineral content of human bones decreases, them more fragile.
A.make B.to make C.made D.making
24.一How long have you been here?
-Only about five minutes.Henry and Simon here with me.
A.walk B.have walked C.walked D.had walked
23.-Was problem solved?
-We were trying to think of way out,but it was difficult to find one.
A.a;a B.a:the C.the;a D.the;the
22.Take the spare batteries with you you need them.
A.so that B.even if C.as long as D.in case