--- ________ do you go to see your grandparents?
--- Once a week.
| A．When | B．How much | C．How often | D．How long |
—It is getting cold. Would you mind_____ the window?
—Of course not.
A. closing B. to close C. closed
—Who’s singing in the garden?
—It _____be Mr. Brown. He always practices singing at this time.
A. must B. can’t C. need
Little Tom _____computer games when his mother got home.
A. is playing B. plays C. was playing
It’s going to rain. You’d better take an umbrella_____you may get wet.
A. or B. and C. but
The shop_____sells flowers is at the end of the street.
A. who B. where C. which