Peter Parker participated in a science exhibition, ______ he was accidentally bitten by a spider ______ was exposed to radiation (辐射) .

　you can chat with your friends, makes communication easy.

We are going to play a football game _______ Class3 this Sunday.—-I will cheer for you. I hope our class will win.

He is quite strange, for everything he does is opposite to ______ is considered normal behavior

According to Chinese law, every child _____get nine-year compulsory education.