The floor is wet. Who’s going to ___________ ?
| A．mop up it | B．mop up them | C．mop it up | D．mop them up |
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 |
She________to sleep until she________her homework tonight．
| A．doesn’t go；finishes |
| B．won’t go；finishes |
| C．won’t go；will finish |
| D．doesn’t go；will finish |