Chairperson Xi calls on us to do what we can ____ as much as possible．
| A．save | B．to save | C．saved | D．saving |
Yesterday we went to the beach and had great fan in the sea .
| A．swim | B．swam |
| C．swimming | D．to swim |
She not only sings , she plays the piano .
| A．also | B．too | C．either | D．as well |
The girl is shy . She always feels to speak in front of the class .
| A．interested | B．excited |
| C．nervous | D．surprised |
he explained , we understood .
| A．More , better | B．The most , the best |
| C．Most , best | D．The more , the better |
Child should learn to do things themselves .
| A．with | B．on | C．by | D．in |