46、We have to do something to stop wild animals .
A.killing B.to be killed C.being killed D.to kill
45、Try the back door if nobody answers the front door.
A.to knock at B.knocking at
C.and knock at D.and knocking at
44、The young man told the doctor that he didn’t need his heart .
A.having, checked B.to have, checked
C.having, to check D.to have, to check
43、At present, there is a new airport and supermarket in the south of the town.
A.built B.to be built C.being built D.is being built
42、There no bus, I had to walk home.
A.is B.was C.were D.being
41、 the train, they decided to wait for another.
A.Missed B.Missing C.Having missed D.Being missed
40、On hearing the news, the woman stood there .
A.frightened B frightening C to frighten D to be frightened
39、--Can I help you?
--I’d like to have the shoes , for they are a bit smaller.
A.changing B.changed C to be changing D be changed
38、With the walls white , the room seems larger.
A.painting B.painted C.to be painted D.has been painted
37、The officer ordered the wounded soldier at once.
A.to operate B be operated C was operated on Dto be operated on