中国大学MOOC: He left but two hours ago. 句中“but”应翻译为：
举一反三
- He said to me, “My son came here two hours ago.” A: He told me that his son had come here two hours ago. B: He told me that my son had come here two hours ago C: He told me that his son had gone there two hours ago. D: He told me that his son had gone there two hours before
- He was seen (go) ______ out two hours ago.
- He has lived in London______he left Shanghai two years ago.
- 中国大学MOOC: If Tom ______ today, he should have started two days ago.
- He has lived in London _______ he left Shanghai two years ago. A: since B: after C: when