Great attention must be paid __________ welfare, especially in the poor area.
| A．develop | B．to develop |
| C．to developing | D．developing |
A person ____ e-mail account is full won't be able to send or receive any e-mails.
| A．who |
| B．whom |
| C．whose |
| D．whoever |
The child wants to ____ the watch to see what makes it work.
| A．take off |
| B．take apart . |
| C．take over |
| D．take down |
During the Second World War, once before, the U-boats had been _____ because of air attack.
| A．in trouble |
| B．in the trouble |
| C．for trouble |
| D．within trouble |
The reason _____ he was late for the meeting is _____ his car broke down on the road.
| A．why; that |
| B．why; because |
| C．that; that |
| D．for which; because |
—I knocked over my coffee cup. It went right over _____ keyboard.
—You shouldn’t put drinks near _____ computer.
| A．the; / |
| B．the; a |
| C．a; / |
| D．a; a |