---______ do you go hiking?
--- Once a week.
A．How many times B．How often C．How long D．How soon
--- _____ did you tell him about the news? ---By ____ an e-mail.
A．How; sending B．How; send C．How; sent D．What; sending
---Would you mind ______ your bike?
--- No, not at all. I’ll put it under the tree right away.
A．move B．to move C．moves D．moving
--- Could you tell me _____ ?
--- Because she likes her students very much.
A．why so many students like the teacher B．why do so many students like the teacher
C．why did so many students like the teacher D．why so many students liked the teacher
---_____you _____ out the problem, Sam?
--- Not yet, but I’m going to.
A．Did, work B．Are, working C．Have, worked D．Will , work
--- Some of the plastic bags can’t ______ after June1.
--- Yes, people will use environmental bags instead.
A．use B．be use C．be used D．are used
