50．__________ students could work out(解决)the problem，because it is too difficult．

　 　　　A．A few　 　　　　B．Few　　 　　　C．A little　　　　　 D．Little

49．-_________ going out for a walk this evening?

　　　 -That’s a good idea．

　　　　 A．Let’s　　　　 B．Why not　　　 C．Shall we　　　　 D．What about

48．Sam will go swimming with his brother if it _________ tomorrow．

　　　　 A．isn’t rain　　　 B．doesn’t rain　　 C．won’t rain　　 D．don’t rain

47．I _________ in my diary for a week．

　　　　 A．didn’t write　　　 B．don’t write　　 C．hasn’t written　 D．haven’t written

46．Tables，chairs and beds are furniture．_________．

　　　　 A．So does your desk　　　　　　　　　 B．So is your desk

　　　　 C．So your desk does　　　　　　　　　 D．So your desk is

45．Zoos are working together ________ animals from ________ extinct．

　　　　 A．to stop；go　　 B．to stop；going　　 C．stopping；go　 D．stopping；going

44．-Thank you for helping me．　　　 -__________．

　　　　 A．No thanks　　 B．Not at all　　　 C．You are welcome　　 D．That’s right

43．There _________ some shows this afternoon．

　　　　 A．will have　　　 B．will be　　　　 C．are going to have　 D．is going to have

42．My mother’s garden __________ plants

　　　　 A．is full with　　 B．is fill of　　　　 C．is filled of　　　 D．is full of

41．Windows __________ glass．

A．are made of　　 B．are made from　 C．are made in　　 D．are made into