--- 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
--- All the clerks went home _____ Mr. Wang. Why?
--- Because he had to finish his work.
A．except B．besides C．without D．beside
--- Can you_____ your little brother? I’m busy now.
--- OK. I’ll do it right now.
A．wear B．put on C．dress D．in
--- You always spend only a little time on your study. You really _____ me down.
--- I’m sorry, Mum. I won’t do that again.
A．take B．put C．let D．look
