A tourist will easily lose his way in Shanghai_____ he has a map or a guide.
| A．if | B．since | C．while | D．unless |
The boy spent 10 dollars ________ the model plane.
| A．on | B．with | C．at | D．for |
America is a ________ country.
A.develop B.development C.developing D,developed
We should keep our classroom _______.
| A．clean | B．cleaning | C．to clean | D．cleans |
Would you please ________ my dog when I go out for travelling?
| A．take out | B．take care of | C．take part in | D．take away from |
—This evening your uncles are coming to our party.—So, we need _______ food.
| A．little | B．more | C．few | D．a lot |