We donated some money and clothing to the children ________ parents were killed in the earthquake.
| A．their | B．which | C．whose | D．who |
It is meetingside effect the new medicine will bring about, although the experts have tried it on about 2,000 patients.
| A．that | B．what | C．whether | D．which |
Now methods need to beto use the existing water resources, for example, turning sea water into fresh water.
| A．developed | B．assumed | C．abandoned | D．purchased |
More and more farmers arrive in our city for the money-making jobs the before leaving that Houston.
| A．were promised | B．have promised | C．promise | D．have been promised |
Known to all, exercise is important for health, but itbe regular exercise.
| A．will | B．must | C．need | D．shall |
—Hello, this is China Eastern Airlines. What can I do for you?
—I’d like to two tickets to Beijing.
| A．take | B．bring | C．order | D．book |