1.If the first two letters of two words are the same we look
1.If the first two letters of two words are the same we look at the ______letter
A.third B.second C.first D.fourth
2.How did you stop the fire ______last night
A.for burning B.from burning C.to burn D.of burning
3.Think ______ it very carefully before you deside.(填介词或副词)
4.我爸爸不让我看电视.
My father _____ ______ ______watching TV
5.每个人都应该为保护地球而努力.
Everyone should ______ _____ _____ _______ the earth.