I thought he made this mistake in his job because he wanted to make his manager angry.
| A．on purpose |
| B．for purpose |
| C．with purpose |
| D．about purpose |
The doctor had almost lost hope at one point, but the patient finally.
| A．pulled out | B．pulled through | C．pulled up | D．pulled over |
The new secretary is and therefore the manager is satisfied with her work.
| A．effective | B．efficient | C．specific | D．sufficient |
— Hi! John, would you like to play football with us?
— Oh，I can’t. I ___ my lesson all the morning and still need half an hour.
| A．am reviewing | B．have been reviewing |
| C．have reviewed | D．reviewed |
---- Which of these digital cameras do you like best?
---- ______. They are both expensive and of little use.
| A．None | B．Neither | C．Nothing | D．No one |
We work together to achieve our common purpose: ____ world that is safer, cleaner and healthier than ____ one we founded.
| A．the; the | B．a; 不填 | C．a; the | D．the; 不填 |