How long did the summer camp last?
举一反三
- How long did the Trojan War last?
- How long did the American Civil War last?
- How long did it take Christine to help Katherine analyze the data last time?
- How long ______ A: you suppose did it last B: do you suppose it lasted C: did you suppose it last D: you suppose it lasted
- How long did the baseball game（） A: last B: endure C: survive D: continue