21．In ________ most countries，a university degree can give you ________ flying start in life．
A．the；a B．the；/ C．/；/ D．/；a
22．—Dane hasn’t arrived yet．
—________？ To my knowledge，he is a punctual person．
A．How come B．So what C．What if D．Why not
23．—Is it height or weight ________ the interviewer should pay attention to?
—Absolutely not．He will consider ________ important to be experienced．
A．which；it B．that；it C．which；that D．that；that
