—I can’t stop smoking, doctor. — For your health, I’m afraid you ______.
| A．may | B．can | C．have to | D．need |
Most teenagers play games on their smart-phones（智能手机）_______fun.
| A．at | B．with | C．in | D．For |
She wanted to buy some comic books, but there was ______ left in the shop.
| A．nothing | B．none | C．something | D．nobody |
I often hear the girl_______ beautifully next door. When I passed the door, I heard her _______ just now.
| A．sing, singing | B．sings, sing |
| C．sing, sings | D．singing, sing |
____ of the work_____ too hard for me, so I can't finish it without any help.
| A．Sixty percent; is | B．Sixty percents; are |
| C．Sixty percents; is | D．Sixty percent; are |
Do you write a report______wild animals_____danger for the newspaper?
| A．about; on | B．on; in |
| C．to; from | D．in; with |