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
Loga
Sinh Học lớp 12
