As volunteers, they should do ______to help the children in trouble.
| A．nothing | B．anybody |
| C．something | D．somebody |
What could Yu Gong do instead of________the mountains？
| A．to move |
| B．move |
| C．to moving |
| D．moving |
She says the best way________English words is by memorizing the words of pop songs．
| A．to learn |
| B．learn |
| C．to learning |
| D．learning |
Unless it________tomorrow，we________hiking in the mountain．
| A．will rain；will go |
| B．will rain；goes |
| C．rains；will go |
| D．rains；goes |
As soon as she________her homework，she will go to the beach with you．
| A．will finish to do |
| B．will finish doing |
| C．finishes to do |
| D．finishes doing |
—What are they doing over there？
—They are trying________the heavy big stone．
| A．moved |
| B．to moving |
| C．move |
| D．to move |