There was a time___ we lived in Beijing.
举一反三
- It is the second time that we _____ to Beijing.
- By the time he arrives in Beijing, we ________ here for two days.
- By the time he arrives in Beijing, we (stay) ______ here for four days.
- 中国大学MOOC: By the time he arrives in Beijing, we __________(stay) here for two days.
- It is the first time that I (be) ______ to Beijing.