Koalas eat_____ and______.
| A．leaf;grass | B．leaves;grasses | C．leaves;grass | D．leaf;grasses |
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 |
New Standard ______ 100 issues until now.
| A．is published | B．will be published |
| C．has been published | D．has published |