A good friend is a person who you can _______ in your hour of need.
| A．turn on | B．turn off | C．turn down | D．turn to |
The poor ______ living in the mountain ____ top is covered with green trees.
| A．are; which | B． are; of which |
| C．is; whose | D．are; whose |
In order to be ________ for Christmas, all these gifts must be mailed immediately.
| A．at one time | B．in time | C．at a time | D．in no time |
We do not permit ________ in the office.
| A．others smoking | B．to smoke | C．smoked | D．smoking |
--- Haven’t seen you for ages! Where have you been, anywhere?
--- I _______ to New York City. I just got back.
| A．was sent | B．have been sent | C．had been sending | D．would be sent |
His teacher told him that since his parents were working abroad , either his grandparents or one of his uncles ______ allowed to come to the parents’ meeting .
| A．was | B．were | C．are | D．is |