some of my students didn't speak english well ,so they had to use ________ to tell foreigner what they wanted to express

问题描述:

some of my students didn't speak english well ,so they had to use ________ to tell foreigner what they wanted to express when they were abroad.
A.sounds
B.language
C.gestures
D.voice
选择哪个,并说明原因

a声音,b语言,c手势,d语音.
我的一些学生英语说得不好,所以当他们在国外,用手势告诉外国人他们想表达什么.
选c
追问选d,disappointed失望的,disappointing令人失望的,will将会