| It took me _____ to finish my math homework yesterday.? |
A. two hours of a half B. two and a half hours C. two hour and a half? |
| —How often do you do morning exercises?? —_____. |
A. Less than two hours B. Every morning? C. Every night D. Yesterday |
| —There are 85% students watching TV every day.? —So we know _____ students do it.? ? |
A. all B. some C. most D. no |
| There are _____ students in our school. |
A. nine hundreds B. nine hundred C. nine hundreds of D. nine hundred of |