Children under 18 aren’t in the lake nearby.
| A．allowed go swimming | B．allowed to go swimming |
| C．allowed to go swim | D．allowed to go to swim |
—We have done a lot to make our city cleaner，but it’s still not enough．
—So we should do________to improve it．
| A．less |
| B．higher |
| C．later |
| D．more |
________Gian________Tara are studying Chinese history and culture now．They find them rich and amazing．
| A．Both；and |
| B．Not only；but also |
| C．Either；or |
| D．Neither；nor |
—Do you know________Amy came to school this morning？
—Her bike was broken，so she had to walk．
| A．why |
| B．how |
| C．when |
| D．where |
My friend Frank sings well，and he is________good at playing the guitar．
| A．not |
| B．also |
| C．yet |
| D．too |
—Have you ever heard of Jeremy Lin？
—I only know he is________basketball player．
| A．a |
| B．an |
| C．the |
| D．／ |