---What does “kg” mean(意思是)?A. 克 B. 千克 C.吨
—We are going on a trip to Shanghai next week. — ________!
---I saw Ann _________ a green dress at the school meeting. --- I think she looks better _________ red.
My parents are strict me __________my studies.
---I didn’t pass the Maths exam last time. I’m so worried about it. --- harder, you will make much progress .
---I think it’s impossible for us to work out the plan in just two days. It’s too difficult. ---You’re right. We can’t be _______ careful and hard while working on it.