When people mention planes，it will remind the parents________their daughter on the Malaysian AirIines plane MH370．
| A．with |
| B．for |
| C．in |
| D．of |
.---My brother fell off his bike and hurt himself. ---.
| A．Don’t worry | B．It doesn’t matter |
| C．I’m sorry to hear that | D．He should be careful |
Environment(环境) is very________，but you don’t understand the_______ of it，you always drop litter everywhere．
| A．important，important | B．important，importance |
| C．importance，importance | D．importance，important |
He spent as much money as he could _______ a new iphone6.
| A．buy | B．buying |
| C．to buy | D．Bought |
The teacher told me _________when I left the classroom.
| A．lock the door | B．to lock the door |
| C．to knock at the door | D．knock at the door |
There ______ a large number of students in our school. The number of the students _______ over three thousand.
| A．is, is | B．are, are |
| C．is, are | D．are, is |