---- _________ do you help your mother cook?
---- Once a week.
A. How long B. How C. How often
We shouldstudents computer games.
| A．keep; from play | B．stop; from play | C．stop; from playing | D．keep; play |
– These tickets are useless. Can I ?
--Yes, but make sure you put them in the dustbin.
| A．pick them up | B．throw them away | C．throw away them | D．pick up them. |
He said he would come to see us the next afternoon.
| A．sometime | B．some time | C．sometimes | D．some times |
The flowers in my room every day, or they’ll die.
| A．must water | B．must be watered | C．should water | D．can be watered |
--Mom, Bill is coming to dinner this evening.
-- OK. Let’s give him to eat.
| A．anything different | B．different anything | C．different something | D．something different |