------ It seems that you have worked here for a long time.
------ No. It was just a year ago ______ I started working here.
| A．that | B．how | C．when | D．before |
–I’m sorry I lost your pen, Charlie.
--Oh, _________? That’s all right.
| A．yes | B．really | C．sorry | D．sure |
_________ in the leg made it impossible for him to walk home.
| A．Injured | B．Having injured | C．To be injured | D．Being injured |
I used to drink a lot of tea but these days I _________ coffee.
A. preferＢ. preferred C. have preferred D. am preferring
–What should I do first?
--The instructions _________ that you should mix flour with water carefully first.
| A．say | B．tell | C．write | D．go |
Pleasant music is often played _________ classes to make students refreshed and relaxed for a while.
| A．after | B．between | C．among | D．over |