54.Overworking can be aon both the body and mind.

6.Rarelythe importance of protecting this kind of rare birds.

5.It is the woman teacherhelps the little girl.

4.Mary＇s friends don＇t believe what she says about the thing, ?

3.snacks and drinks, but they brought a pack of cards when they went on a picnic.

2.Neversuch beautiful scenery before he came here.

1., he didn＇t pass the driving test.

40.The richnot always happy.

39.Tom is the only one of the students whoto Shanghai.

38.Jack is one of the foreign experts who in China now.

37.One hundred and twenty kilometers per hourusually the speed limit for cars on the freeway.