Can you help me? _______________
| A． No. | B．Of course | C． Thank you | D． You are welcome |
---_____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 |