41.  and prepare their lessons .Many people know the time is inportant , but they don't know how to use the time to do some useful thing .

42.  Hunter knew that they was impostor because few people knew about the invention.

43.  Before the festival, people made their houses clean and beautiful.

44.  Then thousands of people went to the Flower Show, which is held once a year.

45.  During the festival, people in new clothes visited their relatives and friends.

46.  The people's living standard is improving.

47.  Many people go about by bike .

48.  Life of people can't be good and also can't be bad all the time.

49.  The teacher told us there about 1500, she also said that English is one of the most important languages because so many people use it, not only in England and America, but in other contries of world, so study English is very important for us , if we study English well, it will be very useful for us .

50.  He listen to what people say and he tries to guess what people say.