You don't have to finish the work today. You can finish it next week.
A. mustn't B. can't C. needn't
I don’t think she is late for school，________？
| A．is she |
| B．isn’t she |
| C．do I |
| D．don’t I |
We should offer________the people in trouble．
| A．help |
| B．to help |
| C．helping |
| D．to helping |
They had problems________across the river．
| A．walk |
| B．to walk |
| C．walking |
| D．to walking |
They often argue________their friends________math problems．
| A．with；with |
| B．about；about |
| C．with；about |
| D．about；with |
She found a boy________in the corner when she walked past．
| A．to cry |
| B．to crying |
| C．crying |
| D．cries |