The post office is closed ______ Saturday afternoon.
| A．on | B．in | C．of | D．at |
The Greens _____ China for seven years.
| A．have come to | B．have been to |
| C．have come in | D．have been in |
Maria and Tony ____English girls.
| A．are all | B．are both | C．all are | D．both are |
Do you mind _______ the windows?
| A．to open | B．opens | C．opening | D．opened |
.--What happened____you?—I was late for class this morning.
| A．at | B．on | C．to | D．with |
Jenny is going to ____a new hobby next month.
| A．take away | B．take up | C．take off | D．get up |