His brother often _________a kite on Sundays.
| A．fly | B．flys | C．flies | D．wacthing |
– Is the math problem ______?
-- Yes, I can work it out ______.
| A．easy； easily | B．easy ； easy |
| C．easily ； easy | D．easily ； easily |
Alice didn’t go to the park ___ her illness.
| A．because | B．but | C．so | D．because of |
The blue coat is the cheapest and the red coat is the second _________
| A．cheaper | B．cheapest |
| C．the cheapest | D．cheap |
It’s important _____ healthy. Do you think so?
| A．to stay | B．stay | C．staying | D．to staying |
-- ____ is the population of your city?
-- About seven ____.
| A．How many； million | B．What； million |
| C．How large； millions of | D．How much； million |