21.He is so careful that he always looks over his exercise t

21.He is so careful that he always looks over his exercise to _____there are no mistakes.
A.make sure B.find out
C.think about D.try out
Test
1.He is a good student.He gets ____ well ____ his classmates.
A.up; on B.in; on C.on; with D.on’ at
2.The radio is too loud.Could you please ____ it ____?
A.turn; up B.turn; down C.turn; on D.turn; off
3.If you finish reading my book,please ____ to me.
A.give it again B.give again it C.give back it D.give it back
4.The flowers start to ____ in spring.
A.come in B.come out C.come from D.come to
5.When the headmaster came into the hall,all the students ____ to welcome him.
A.sat down B.went out C.stood up D.turned back
6.--- Excuse me.Where’s the Science Museum?
--- Take No.3 bus and ____ at the fourth stop.
A.get on B.get to C.get up D.get off
7.Your father is sleeping.You’d better ____.
A.not wake up him B.not to wake up him C.not wake him up D.not to wake him up
8.It’s cold outside.Alice,here’s your coat.____ please.
A.Put it on B.Put it up C.Take it off D.Take it away
9.When he heard the bell,he ____ the door.
A.hurried off to open B.hurried up to open C.hurried off opening D.hurried up opening
10.Our teacher asked me to ____ the new words in a dictionary.
A.look for B.look up C.look at D.look into
11.You’d better tidy your room.____ your things.
A.Put away B.Put on C.put them away
12.It’s quite warm today.Why don’t you ____ your coat?
A.take away B.take out C.take off D.take down
13.What nice clothes!Can I ____?
A.try them on B.try on them C.try it on D.try on it.
14.--- Will Mr.Smith be here soon?
--- I can’t tell.Let’s go and ____ when the train arrives.
A.look B.look for C.find D.find out
15.Don’t forget to turn ____ TV before you go to bed.
A.off B.to C.on D.down
16.He ____ the bus and found a seat next to the window.
A.gets on B.got on C.gets off D.got off
17.Mr.Yu gave some new words to Lucy and asked her to ____ on the blackboard.
A.write it down B.write them down C.write down it D.write down them
18.“Get a ladder,please.I can’t ____,” Jim said in a tall tree.
A.come back B.come out C.come down D.come over
19.Please ____ before you cross the road.
A.look up B.look yourself C.look around D.look again
20.Jack likes to ____ others but never writes to them.
A.hear of B.hear about C.hear from D.hear