---Have you heard of Kunming terrorist attack?
---Yes, it happened ________ March 1st, 2014.
| A．on | B．in | C．at | D．for |
Every year, more than 70.000,000 sharks____for their fins.
| A．were killed |
| B．have killed |
| C．are killed |
| D．will kill |
The mountain is so high that its top snow all the year round.
| A．is covered with |
| B．is filled with |
| C．is made of |
| D．is used by |
Don’t throw away the waste paper. It needs so that it can be reused.
| A．to destroy |
| B．destroying |
| C．to collect |
| D．colleting |
Something is wrong with my computer. It needs .
| A．mending |
| B．to mend |
| C．mended |
| D．is mending |
The classroom every day.
| A．should clean |
| B．should be cleaned |
| C．should cleaned |
| D．should be cleaning |