49. I'll have to buy ____ trousers.              

A. a        B. two     C. a pair of   D. a couple of

48. ____ are made of ____.

       A. A glass, a glass                               B. Glasses, glass    

C. The glass, the glass                         D. Glasses, glasses

47. We are ____ and they are ____.                                  A. Englishmen, Germans            

B. Englishmen, German        C. Englishmans, Germans            D. Englishmen, Germen

46. Father went to his doctor for ____ about his heart trouble.

       A. an advice                 B. advice        C. advices              D. the advices

45. I saw many ____ seated in the corner reading something.

       A. Japanese                  B. Japaneses          C. of Japanese        D. of Japaneses

44. How happy they are! Obviously, they are ____.

       A. in nice spirits     B. in nice spiritC. in high spirits          D. in high spirit

43. "Where ____ my trousers?" the boy asked.          

A. is              B. was            C. were     D. are

42. Maths still ____ very difficult for me, though I have done my best.

       A. looks                       B. seems                       C. is                             D. are

41. No news ____ good news.                   

A. is                     B. are             C. have          D. has

40. The Chinese are ____ brave and hard working people.        

A. the     B. a        C. /         D. one