—How do you learn English words?—________making flashcards.
Yesterday I met Jim. We ____________ each other since we _________ middle school.
---When did you return to China?---_________________.
The plane ____________when I got to the airport. I nearly missed it.A. was leaving B. had left C has left D. will leave
The rain has stopped. Why not ___________ the raincoat?
---I am going to Nanjing and stay there for a week. ---_________you are there, would you please buy some books for me?