判断对错
所有的偶数都是合数．
I punished my son for his fault this morning.But I would rather not________it；after all，he is only 5 years old.
The mother turtle l____ her new-born eggs in the sand then went back to the sea.
在日常生活中，肉类和鸡蛋的价格比粮食和蔬菜高，从生物学的观点看，这是由于（ ）
