When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.
| A．made | B．has made | C．was making | D．had made |
All the students are seated in the classroom,actually good at their study, listening attentively.
| A．most of whom | B．most of who | C．most of them | D．most of which |
Thanks to Mrs Black, the father and the son eventuallyafter ten year’s cold relationship between them.
| A．took up | B．made up | C．picked up | D．turned up |
—I came all the way to inform you of the time and place of the meeting.
—You could haveyourself the trouble by calling me.
| A．spared | B．shared | C．cost | D．removed |
Schools that serve healthier food, offer nutrition education and reward students for good eating habits can make a majorin preventing childhood obesity.
| A．mistake | B．sense | C．impression | D．difference |
Let us suppose that we him about it, what would have happened?
| A．had not told | B．did not tell | C．will not tell | D．don’t tell |