7. Hello, I ____ you were in London. How long _________ here?
A: A. don’t know; were you
B: B. hadn’t known; are you
C: C. haven’t known; are
D: D. didn’t know; have you been
A: A. don’t know; were you
B: B. hadn’t known; are you
C: C. haven’t known; are
D: D. didn’t know; have you been
举一反三
- I would have helped you, but I ______ you were in trouble. A: didn't know B: B. haven't known C: hadn't known D: D. knew
- I would have come sooner, but I ________ that you were waiting. A: knew B: didn’t know C: hadn’t known D: don’t know
- Thank you for telling me the truth. I really _________ before you told me that. A: hadn't known B: didn't know C: don't know D: haven't known
- Edward, you play so well, But I ______ you played the piano. A: didn’t know B: hadnt known C: don’t know D: haven’t known
- I didn’t know you ____ in London last week. A: were B: are C: will be D: have been