() 52. —What time shall we leave for the air port?

—It's foggy today. I'm not sure be closed soon. Lefs go now.

   A. whether the highway will

   B. whether will the highway

   C. when the highway will

() 51. —I think English is hard to learn.

—   you have to learn it well be cause it is very important.

   A. And   B. But

   C. So

() 50. —This watch is too expensive. Do you have others?

—Sorry,but it's the one.

   A. biggest   B. smallest

   C. cheapest

() 49. The exhibition is well worth .

   A. to visit   B. visiting

   C. visit

() 48. UNICEF was in Europe in 1946,after World War II.

   A. put up   B. turned up

   C. set up

() 47. —Could use your e-dictionary,Mary?

—Sorry,but I haven’t got .

   A. one   B. it

   C. this

() 46. You write the poem down. Our teacher will give us a copy soon.

   A. needn’t   B. mustn't

   C. shouldn’t

() 45. The is the best place to chat and watch TV.

   A. bedroom   B. dining room

   C. living room

() 44. Boys and girls,you’ve done well in English these days. !

   A. Welcome

   B. Congratulations

   C. Certainly

() 43. When you leave,please turn off the lights energy.

   A. save   B. to save

   C. saving