（2017· 重庆A卷·31）Today is Jack's birthday. He is ________ years old now.
A. fourteenth B. fourteen
C. the fourteenth D. the fourteen
The physics problem is too hard, so _______ students can work it out.
A. little B. few C. a little D. a few
________ May 5th, 2017, the C919 took off successfully for the first time at Shanghai Pudong International Airport.
A. On B. In C. At D. Of
We'll have to say goodbye, my dear friends! But I will forget the days we spent together.
A. always B. often C. never D. usually
This picture ______by my cousin last year.
A. draws B. drew C. is drawn D. was drawn
一May I take the dog with me, sir?
一 . Pets are not allowed to enter the hall.
A. Yes, you may B. No, you mustn't
C. Yes, you can D. No, you needn't
