—Whatcolourofthefollowingrepre-优题课

—What colour of the following represents “purity”?
—______.

A．White

B．Orange

C．Green

D．Red

科目英语题型单选题难度较易

知识点：比较介词

I thought my deskmate would be________for class，but he was late again．

My mother kept working for 12 hours．Now she is________and needs a good rest．

—How long have Mr and Mrs Green________?
—For more than thirty years．

—Why didn’t Sam________at the party?He said he would come．
—It seemed that he overslept．

—What happened to John?He looks unhappy．
—He wanted to play a________on his deskmate，but he fooled himself at last．