题目内容：

Who is it up_______decide whether to go ro not?A.to do B.to C.for to D.to for

优质解答

up to someone由某人决定我觉得没有答案正确的应该是to towho用u代替的话陈述语序应该是it is up to u to decide whether to go or not.对you划线提问就是who is it up to to decide whether to go or not?第一个to...