A.destroy B.ruin C.spoil
31.He didn’t mean to (ruin) your appetite.
32.Oh,Luis.I'm sorry.I (spoiled) your shirt.
33.She's an only child,but they didn't really (spoil) her.
34.Some drugs were prescribed to (destroy) cancer cells.
35.The bad news (ruined) his hopes.
36.The school was completely (destroyed) by fire.
37.The storm (ruined) the crops.
38.Their traditional way of life has been (destroyed).
39.Too much sugar can (ruin) your teeth.
40.You've completely (ruined) my day.