We must make a difference between____language and______language.A.spoken,written B.speaking,written C speaking writing D speak write这题为什么选A,不是很明白.可以从语法部分解释下吗?

We must make a new swe must make a new s________ we must make a contribution to make our school more beautiful.改错：＿＿＿＿ We must do everything we can_____our earth clearer and safer.A.made.B.to making.C.make.D.to make We must make our planet much ( ) beautiful . We had better make a sign to tell people_________.A.what they must do B.what must they do we must find a We must make the earth a happy home for both human being and animals.怎样译? 连词组句 do,better,people,we,what,make,must,to,sign,tell,had,a,they We believe _______(strong) our government must make people live a happy and rich life. make a plan in studying something we must study 语法有错误吗? We must make a d_____ about where to hold the end-of-years party We must make the roads ______.A.bad B.safe c.danger we must know the use the people___waste things A make Bmake of C make good of Dmake from If we want to make our city() ,we must plant more trees.A.is greenB.is greenerC.greenerD.to green 以下这道题``选哪个?We must make some investigations we can draw any conclusion.We must make some investigations we can draw any conclusion.A.sinceB.beforeC.untilD.when will we make a We must do everything we can?our earth cleaner and safer.A.make B.to making C.made D.to make 应选哪一项? We must farmers ___ new farmland,but we should ___ ___roads.A making make B made buildC building make D making build