23.As his parents are not rich enough to have a large house,he has to _____ the room and even the bed _____ his brother.

A.　　 live in;with　 B.sgare;and　 C.share;with　 D.build;with

22.The teacher said to the students, “here we are _____ of one big family and we should take _____ in more public activities.”

A.　　 part;part B.parts;part C.part;parts D.parts;parts

21.You’d better ____ the medicine on time and ___ a good rest.

A.　　 eat;have　 B.take;to have C.to eat;to have D.take;have

20.From the book about science,he knows that energy ____ in calories.

A.　　 is weighedB.is measured C.has weighed D.has been measured

19.Take more exercises will stop you ____ weight.

A.　　 to put up B.putting up C.to put on　 D.putting on

18.When the boy realized who was good ___ him,what was good ____ his study and what was harmful ___ his health,he begin to study hard and get rid of the bad habits.

A.　　 for;for;for B.to;to;to C.for;to;for D.to;for;to

17.Bob is a diligent student and is _____ his coming examinations while his mother is ___ supper.

A.　　 preparing for ; preparing for　 B.preparing;preparing for

B.　　　 preparing for;preparing　 C.preparing;preparing

16. I _____ him to give up smoking,but I failed.

　 A.preferred　 B.hoped　 C.advised　 D.suggested

15.----Would you mind my opening the window ?

　 ----_____ .

A.　　 Not a bit　　　　　 B.Yes,not a little

C.Yes,help yourself　　 D. Never mind

14.The area ____ oil is orth exploiting .

A.　　 rich　 B.riches in　 C.being rich　 D.being rich in