Tian’anmen Square is one of ______ squares in the world.

His money had not brought happiness and perhaps it had contributed________ his strange sense of values

He works very hard in order to get himself______ into a key university.

Student loan is supposed to provide financial support for people who would _____not be able to go to college [ ]

下列情境中，售货员的回答最得体的一项是（ ）某顾客到商场买拎包，她看不出自己选中的拎包是否用真皮制成，她听说过一种检验是否真皮的做法，就是用指甲划包包，真皮是划不破的。她向售货员提出自己要求。面对这过分的要求，售货员微笑地说：“ ”