[u] [/u] the flight to New York will be delayed is [u] [/u] I'm especially worried about.
未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181}
A: If; what
B: Whether; that
C: When; that
D: Whether; what
未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181}
A: If; what
B: Whether; that
C: When; that
D: Whether; what
举一反三
- I don't know [u] [/u] he will come tomorrow. [u] [/u] he comes , I'll tell you. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: if ; Whether B: whether; Whether C: if ; That D: if ; If
- — [u] [/u] is an orange?— It's [u] [/u] orange. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: What, an B: What color, an C: What color, \ D: What, a
- It is still unknown [u] [/u] caused the fire. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案', 'isMemberControl': 0, 'type': 181} A: that B: when 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