语音题：判断下列所给单词括号部分有几种读音?
1.（ ）A:(s)tand B:(s)tamp C:trouser(s) D:(sh)all
2.( ) A:(wh)ich B:(w)atch C:(w)all D:(wh)o
3.( ) A:(u)ncle B:(u)nder C:b(u)s D:t(ou)ch
4.( ) A:(v)ery B:(v)illage C:ri(v)er D:f(u)nny
5.( ) A:(g)et B:oran(ge) C:(g)rey D:(g)reat