The students stopped __________ when the teacher came in.
| A．to talk | B．talking | C．talked | D．Talk |
About 35% of the rubbish in HongKong can be recycled every yearthe rest can’t.
A. then B. while C. since
-of Class 1 students is in the classroom.
-They are having a P.E. lesson on the playground.
A. All B. None C. Neither.
— I have never visited a paper factory.
—.
A. So have I B. I haven’t now C. Neither have I
He’s read this book before，?
A. hasn’t he B. doesn’t he C. isn’t.
Thank you for your help, Linda. You made ________ possible for us to finish the work in time.
| A．this | B．it | C．them | D．that |