51.这种动物在野生环境中能活多久？

How long can this kind of animal live   ?

50.The chairs in the room were all made of (竹子) .

49.Do you think Linda has made a good (抉择) ？

48. Some students in our school like to eat (巧克力) .

47.My father doesn’t like staying in (吵闹的) places.

46.The serious accident (造成) three hundred people to die.

45.I think it comfortable to 1   on the beach in summer.

44.Parents often tell their young children not to speak to  s  

43.China,India,VietnamandJapanare all A coun?tries.

42.He didn’t give us the r why he didn’t go to the party.