John arrived _____ London _____ a cold morning.
| A．on; at | B．at; at | C．in; on | D．at; in |
Sally took a photo of her friends while they________computer games．
| A．play |
| B．are playing |
| C．have played |
| D．were playing |
We all________to university next year．
| A．hope her to go |
| B．hope her going |
| C．wish her to go |
| D．wish her go |
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 |