1. “How did you pay ____ workers”?
“ As a rule, they are paid by ____ hour.”¡¡¡¡¡¡¡¡
A. /; the B. / ; an C. the; the D. the; an
2. The whole class _____ listening to the teacher attentively.
A. is B. are C. has been D. had been¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
3. There are not enough seats for the guests. We need ___ chairs.
A. three other B. another three C. more three D. other three
4. ____ the boy’s grown! He is almost ___ his father.
A. What, as tall as B. What, taller than C. How, as tall as D. How, taller than
5. In the poor parts of America's big cities there is a lot of crime, _____ .
A. and much of it is serious B. much of it is serious
C. and many more is serious D. more of it is serious
6. Customers are asked to make sure that they____ the right change before leaving the shop.
A. have been given B. will be given C. have given D. were given