21.-Who called me just now,David
-I don’t know,but it was a girl’s______ .
A.voice B.look C.numberD.card
22.Are Tom and Lucy______ good friends
-Yes,they are.Please look after______.
23.-Do you like having food with music
-Yes.I like soft music.It_____ nice.
A.tastes B.looks C.smells D.sounds
24.-Who helped you clean the room yesterday
_______.I did it all by myself.
25.It was late.She opened the door______ because she didn’t want to
wake up her parents.
A.heavily B.loudly C.quietlyD.angrily
26.The world’s population is getting larger and larger,so scientists will
have to_______with new ways to solve the food problem.
A.catch upB.come up
C.keep upD.make up
27._______sweet the flowers smell in spring！
-Yes,many tourists come to enjoy them every day.
A.What B.How c.Whata D.Howa
28.-Why did the car hit the boy
一Bxcause the driver______on the phone at that time
C.was talking D.have talked
29.-How many cakes can I have,Mom
一None,dear.They_____for your father.
C.have prepared D.were prepared
30.-I’m afraid the meeting has begun.