53. My father is busy his work.
A. with B. on C. in D. for
52. Blackboard are made wood.
A. by B. of C. with D. for
51. Reading the sun is bad for your eyes.
A. in B. on C. under D. above
50. What are you angry ?
A. with B. about C. of D. /
49. The girl long hair was giving a piece of paper to the boy a black shirt.
A. in; with B. with; in C. with; with D. in; in
48. The answer this question is quite simple.
A. of B. to C. like D. /
47. We went to the Summer Palace a summer morning.
A. in B. on C. at D. for
46. Our seat is next his.
A. in B. on C. to D. with
45. Our son is afraid darkness.
A. of B. in C. from D. on
44. There is something wrong the machines.
A. with B. about C. of D. in