---If there are ______ people driving , there will be ______ air pollution.
--- Yes, the air will be fresher.
| A．less; less | B．less; fewer | C．fewer; fewer | D．fewer; less |
I’m sorry you’ve missed the train. It ten minutes ago.
| A．left | B．has left | C．has been away | D．has been left |
---Excuse me, when you the girl over there?
---Last year in Beijing. And I her for about one year.
| A．have known; have known | B．did know; knew |
| C．did know; have known | D．have known; knew |
---has your grandma been like this? --- Since last night.
| A．How often | B．How long | C．When | D．How soon |
The old man never feels with his pet dog around though he lives in an old flat.
| A．lonely; lonely | B．alone; alone |
| C．lonely; alone | D．alone; lonely |
The Kings have been to Tibet. They have decided to go there next year.
| A．never | B．ever | C．already | D．yet |