—Thank you all the same, Mr. Black, but I don’t eat sweets. —Oh, I am sorry. I ___________ (not know) that.
A: doesn't know
B: haven't know
C: didn't know
D: didn't known
A: doesn't know
B: haven't know
C: didn't know
D: didn't known
举一反三
- —Thank you all the same, Mr. Black, but I don’t eat sweets.—Oh, I am sorry. I didn't know that.
- 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
- I would have invited her,but I _______ her well. A: don't know B: didn't know C: hadn't known 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 would have come sooner, but I ________ that you were waiting. A: knew B: didn’t know C: hadn’t known D: don’t know