The teacher said the sun ________ down in the west.
A. go B. goes C. went
Playing too many computer games _______ students.
| A．is bad to | B．is bad for | C．are bad to | D．are bad for |
It's very important _______ us ______ every day.
| A．for;exercise | B．to;to exercise |
| C．for;to exercise | D．to;exercise |
--- ________ do you stay at home at weekends?
--- Ten hours.
| A．How often | B．What time | C．How long | D．When |
Millie often _______ a very special costume at the party.
| A．puts on. | B．dresses up | C．wears | D．dresses |
You can go to the library with _______ and ______ sister.
| A．his;his | B．him;his | C．him;he | D．he;his |