The traffic is very busy ________ this time.

A. in

B. at

C. on

D. of

The ______ at this time is very busy. There are too many cars on the road.

    A. light        B. line    C. environment   D. traffic

The ______ at this time is very busy. There are too many cars on the road.

1. A.
   light
2. B.
   line
3. C.
   environment
4. D.
   traffic

The ______ at this time is very busy. There are too many cars on the road.