1.I thought there was somebody in the house because there was ____ on inside.
A. a light B. light
请问这道题为什么选A而不是B呢?
2. I had some interesting ____ duting the journey.
A. experiences B. experience
请问为什么这道题选A而不是B呢?
3. I have ____ to do.
A. a lot of work B. a lot of works
请问这道题为什么选A而不是B呢?