Our teacher asked us_________ the bus after the trip.
| A．to clean | B．cleaned | C．cleaning | D．clean |
There are many shops on ____ side of the street. We can buy everything we want.
| A．both | B．all | C．either | D．every |
The workers finished mending the road ____ this month.
| A．in | B．by | C．at | D．on |
— _____, Daming? — Yes, please.
| A．What’s wrong with you | B．Can I ask a favour |
| C．What’s it about | D．What’s up |
He was made ______ the floor after class yesterday.
| A．to clean | B．clean | C．cleaning | D．cleans |
Great changes _____ in my hometown since 1980.
| A．have been taken place | B．took place | C．have taken place | D．were taken place |