Studying abroad, the boy was exposed to a way of life_________he was not at all fanmiliar.
| A．with which | B．to which | C．for which | D．of which |
There is not one of us wishes to help you . We are doing our best .
| A．who | B．that | C．as | D．but |
—Is there a fog in the evening ?
—There be . I’ll make a phone call to find it out .
| A．must | B．would | C．will | D．might |
John waited at the bus-stop for nearly half an hour the bus finally arrived .
| A．when | B．as | C．before | D．while |
Only according to the directions can the medicine be quite effective .
| A．taking | B．taken | C．being taken | D．having been taken |
—I really don’t know how to thank you enough .
—.
| A．No problem | B．Think nothing of it |
| C．Not at all | D．It doesn’t matter |