29.\x05If appearance did not count,why would people _____ for such interviews
— even if the job they are hoping to get is dressed down?
A.stay up\x05B,hold up\x05C.pick up\x05D.dress up
30.Calling an adult Mr.or Ms.signals the adult’s authority.When a kid uses a grown-up’ s title,it shows that the adult is _____
A.in common B.in turn\x05C.in charge\x05D.in height
答案是分别是D C 我不太理解句子意思 能把句子意思解释一下就可以了 答案中词组的意思我都明白.