—______ there is no water left on the earth? —I really don’t know.
| A．So far | B．Even though | C．What if | D．Ever since |
This kind of paper is wood.
| A．made into | B．made from |
| C．made of | D．made up of |
We hope the students will go there.
| A．as quickly as possible | B．as soon as they will |
| C．as possible | D．as quick as they can |
More sheep by the farmer since two months ago.
| A．was sold | B．were sold |
| C．has been sold | D．have been sold |
young trees have been planted along the north of China these years.
| A．Million of | B．Millions of |
| C．Several millions | D．Millions |
The final exam is coming. All the students are busy getting readyit.
| A．to | B．at | C．for | D．with |