来自李建雄的问题
Jill,we'llhave__trainingwiththedogAsix-monthsBasix-monthCsixmonths'Dsix-month's
Jill,we'llhave__trainingwiththedog
Asix-monthsBasix-monthCsixmonths'Dsix-month's


Jill,we'llhave__trainingwiththedogAsix-monthsBasix-monthCsixmonths'Dsix-month's
Jill,we'llhave__trainingwiththedog
Asix-monthsBasix-monthCsixmonths'Dsix-month's
选C.sixmonths'
A.错了,因为有连字符,就不能有复数
B.有不定冠词a,说明中心词是可数的,但training不可数
D.six-month's既有连字符,又有所有格,不成立.