题目内容:
17. She didn’t know ________ to express her ideas in English clearly in public.
A) which
B) why
C) what
D) how
参考答案:【答案仅供学习,请勿对照自行用药等】
17. She didn’t know ________ to express her ideas in English clearly in public.
A) which
B) why
C) what
D) how