I sometimes help my mom with her housework____________ Saturdays.
| A．at | B．in | C．on | D．to |
Sometimes we can hardly understand foreigners because they speak too _______.
| A．slowly | B．clearly | C．quickly | D．easily |
I think _______ should be allowed to choose their own clothes.
| A．ten-year-old | B．ten-year-olds | C．ten-years-olds | D．ten-years-old |
We should go to school at 8:00 o'clock _________school mornings．
| A．on | B．in | C．at | D．of |
English is___ useful language because people in many countries are using it.
| A．a | B．an | C．the | D．/ |
— I believe this is the best movie of the year.
— Well, . Anyway, the ending is OK.
| A．that’s a good idea | B．that may not be a good idea |
| C．I’m not sure if you’re right | D．I think you’re right |