Breathing Problem 和breath problem后者能不能使用?加ing 和不加有啥区别?

breath problem or breathing problem ? Breathing Problem 和breath problem后者能不能使用?加ing 和不加有啥区别? breath 和breathing breath和breathing的区别 关于problem的 比如breathing proble的词组,problem前加名词还是形容词? in that place,we really have problems_____.A.breathe B.breathing C.breathed D.to breathing breathing problem为什么breath后要加ing啊?知道的说下,.. After____deeply,I dived into the river. A breathe B breathes C Breathing D breath为什么是breathing?而不是原型? breathing 是什么? breathing room? breathing time breath和 breathing的区别我要他们的详细区别 还有 breathing不是可以作名词吗 那么out of breath 中的breath 可以换为 breathing吗 I was having trouble______.A.to breathe B.in breath C.breathing选什么好呢? We ____ in oxygen in the airA.breath B.breathing C.breathe D.breathed要理由 He did ___until it was midnightA.a problem after a problem B.problem after prolemsC.a problem after problem D.problem after problem breath和 breathing都作名词有何区别都表示呼吸,名词有区别吗? problem和question的区别 problem和trouble的区别