57.Before using your new pressure cooker, read the followingcarefully.

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.

36.A survey of the opinions of studentsthat they also admit several hours of sitting in front of thecomputerharmful to health.

35.Sitting at the back of the room but in front of some old mena very shy girl with two bright eyes.

34.In the closet a pair of trousers his parents bought for his birthday.