prep./ for/ to/ from, etc + (doing) sthShe's from Hunan, so she's used to spicy food. =...she's used to eating spicy food.不是非要用动名词不可的，就是说，如果意思表达需要用动词（词组）时，你就把动词改成-ing放在这个介词后。上面两句没有本质区别。后面加了 eat, 所以改成 eating...没有它意思也一样，但用了动词就必须说,be used to eating...介词 + do sth/ to do sthHe could do nothing but/except wait in the heavy...
