1. Without plants, water would run off and take away ............ soil. A. poisonous B. bad C. forest D. valuable 2. There's a ............... look on his face. I'm .............of him indeed. A. frightening/scared B. frightening/scaring C. frightened/scaring D. frightened/scared 3. Everyday my boss gets his car ............ , so it looks very beautiful. A. to be cleaned B. cleaned C. be cleaned D. cleaning