31.  Its productive are all over the world.

32.  The are very eager to find a way that they can master this language quickly.

33.  People should not buy the fake commodities whey they find out their are.

34.  Their behavioral and soul are very bad, on one hand, we must punish the people and elimate the fake commodities, on the other hand, we must alert the fake commodities.

35.  We can't buy fake commodities because of they are cheaper.

36.  Now, with the development of commodity and economy, more and more fake commodities are turning up, the fake commodities have disturbed our daily life .

37.  At this time, my tutor said to me, "My boy, are you interested in watching the night scene of the city with me?"

38.  There around the building are some green trees.

39.  While the undergraduate are all attend and listen attentively to the lecture.

40.  The 26th and the First are all not too big, each has about 1,000 students.