—Wow, you have a really good voice. I_____ you were good at singing.
—Thank you.
A. haven’t known | B. hadn’t known |
C. didn’t know | D.don’t know |
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—Wow, you have a really good voice. I_____ you were good at singing.
—Thank you.
A. haven’t known | B. hadn’t known |
C. didn’t know | D.don’t know |