---What does “kg” mean(意思是)?A. 克 B. 千克 C.吨
-Jack, I will go for a picnic with my parents next week.- ______.
__________ room is big and bright. They like it very much.
–Tom, it’s cold outside.___ your coat when you go out.- OK. Mom.
–Carl, are you interested in swimming? --Yes, ___ I’m not good at it at all.
They arrived _____ Shanghai_____ the morning of May 2.