Alice _______ in the street when a thief stole her bag and ran away.
| A．walks | B．is walking |
| C．was walking | D．has walked |
Many trees ____ along the streets every year. So the air is very fresh now.
| A．plant | B．are planted |
| C．planted | D．were planted |
–Why didn’t you go to see the Breakup Buddies(《心花路放》) with us yesterday?
--Because I _____ twice.
| A．have seen | B．will see |
| C．am seeing | D．see |
Bill Grates is one of ______ people in the world.
| A．the richer | B．richest |
| C．richer | D．the richest |
【原创】---There are sick haze（雾霾）in our city this spring. What do you think of it?
---I think ______ cars we drive ,_________pollution our city will have.
| A．the fewer; the fewer | B．the fewer;the less |
| C．the more; the fewer | D．the more;the less |