Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Question 44. It is compulsory for all students to wear their student ID cards at school.
A. All students shouldn't wear ftheir student ID cards at school.
B. All students can wear their student ID cards at school.
C. All students needn't wear their student ID cards at school.
D. All students must wear their student ID cards at school.

Question 45. I haven't eaten this kind of food before.
A. I have eaten this kind of food many times.
B. The last time I ate this kind of food before ago.
C. I last ate this kind of food before.
D. This is the first time I have ever eaten this kind of food.

Question 46. "How long have you been waiting here?" Lan asked me.
A. Lan asked me how long I had been waiting there.
B. Lan asked me how long have I been waiting there.
C. Lan asked me how long I have been waiting there.
D. Lan asked me how long had I been waiting there.