13.Everybody in bed.
A.has to spend some time
B.have to spend some time
C.has to spend sometimes
D.has to spend sometime
14． of kinds of matter in the world .
A .That there are millions
B .There are a few million
C .It ’s millions
D .There are millions
15.It ’s the in this country to go out and pick flowers on the first day of spring .
A .use B .custom C .habit D .normal
16.Canada lies on the north of the US .
Taiwan is the east of Fujian .
A .in B .at C .to D .on
17.According to the recent research ,heavy coffee drinking and heart attack are not （ ）and effect .
A .motive B .cause
C .reason D .ground
18.How was your weekend
--Tiring .My friend rented a new department ,so I helped him .
A .move it B .move
C .moving D .moved
19.where are you going
--To help the neighbors the dinner party .
A .get ready B .getting ready
C .get ready for D .by getting ready
20.I must have fall asleep ,for I remembered nothing of what had happened during the night .
A .at the corner B .on the corner
C .to the corner D .in the corner
21.The teacher ,together with a number of students ,were asked to attend the party .
22.He began to work for a big company early age .
A .on B .at C .of D .with
23.Some of the meat came from Canada .How about
A .another B .the other
C .others D .the rest