– It’s very cold outside!– OK. It's good for me to wear .A. B. C.
We ______ to close the windows before we left the lab.
Xiao Li _________ his hometown for ten years．
The beautiful coat ______ by her last month.
This CD-ROM can help you learn and have fun ______.
---I’m sorry. I _____ your printer for such a long time. ---Never mind.
B.
C. 
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