___ from space, the earth with water ___70％ of its surface looks like a "blue blanket".
| A．Seen ;covered | B．Being seen; covers |
| C．Seeing; covering | D．Seen; covering |
Look! The pond ________, and no fish in it can survive.
| A．dries up | B．has dried up | C．had dried up | D．dried up |
_______ new decision has been made that those who cheat in _______ examinations will not be recommended to colleges or universities.
| A．The; a | B．A; an | C．不填; 不填 | D．A；不填 |
We have been looking at houses, but haven’t found ________ we like yet.
| A．one | B．ones | C．them | D．it |
Although the price has gone up by 5%, it’s still ________ the limits set by the government.
| A．beyond | B．within | C．outside | D．off |
Do you know Tom,the manager of that company?
-Of course,I know him,By next month,I______him for 10 years.
| A．know | B．knew | C．will know | D．will have known |