【C6】A．customB．useC．traditionD．habit

【C13】A．planB．useC．ideaD．means

A．traditionB．useC．customD．habit

It‘s a good _______ to eat with the mouth closed.A. customB. habitC. wayD. style

材料题请点击右侧查看材料问题 查看材料A.convertB.useC.fo

【C18】A．usingB．to useC．useD．to using

【C6】A．planB．useC．ideaD．means