He finds the book[u] [/u]he bought yesterday.
未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181}
A: that
B: who
C: where
未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181}
A: that
B: who
C: where
举一反三
- [u] [/u] he went to the hospital is not clear. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181} A: Who B: Why C: Where
- He was reading a book[u] [/u]his mother came in. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181} A: when B: where C: what
- He was reading a book[u] [/u]his mother came in. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181} A: when B: where C: what
- There is some doubt [u] [/u] he is trustworthy. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181} A: whether B: if C: where
- There is some doubt [u] [/u] he is trustworthy. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181} A: whether B: if C: where