48.He works too carelessly. That is ____ we can’t understandA. what which B. what C. what that D. which
熱心網友
B他工作太粗心了,這是我們所不理解的what =all that
熱心網友
B
熱心網友
答案是B以how , when what , where 等疑問詞引導的句可以在句子中作主語，賓語，表語等成分， 如：what you say is right(主語)i take back what i said just now (賓語)the queston is where to to ?(表語)i do not know how to get to his house.
熱心網友
Ｂ
熱心網友
what
熱心網友
B