问题补充:
She looks very sad. I want to help her, but I just don’t know to do it.
A. what
B. when
C. how
D. which
答案:
A. what
B. when
(答案→)C. how
D. which
解析:疑问词+to do sth是固定搭配,充当某个句子成分。在此句中充当句子的宾语。
时间:2024-01-24 01:10:11
She looks very sad. I want to help her, but I just don’t know to do it.
A. what
B. when
C. how
D. which
A. what
B. when
(答案→)C. how
D. which
解析:疑问词+to do sth是固定搭配,充当某个句子成分。在此句中充当句子的宾语。