Question

You must ride your bike _____ the right side of the road.

1. A.
   at
2. B.
   on
3. C.
   in
4. D.
   for

Answer 1

B
考查介词短语的固定用法。句意为：你必须在马路的右边骑自行车。On the right side of the road“在马路的右边”为固定用法。故选B。本题易。