The people who objected to cloning human beings went on strike and _________ the traffic.
A. cut through B. faded out C. held on D. held up
Only after he realized the significance of mastering two languages __________ English carefully.
A. did he set about learning B. did he set out learning
C. had he set about learning D. had he set out learning
_________ with common sense can tell the difference between the two.
A. Whoever B. No matter who C. Anyone D. Who
_________ that the government can lead them out of the financial crisis, people are optimistic
about the future of the country.
A. Convincing B. Convinced C. To convince D. Having convinced
Recently a survey _______ prices of the same goods in two different supermarkets has caused a heated discussion among citizens.
A. comparing B. compared C. compares D. being compared
The engine of the bus was _________，and the bad weather added to the worries of the passengers.
A. in vain B. in good condition C. out of work D.out of order
