The teacher wrote an example on the blackboard to ___ the point．

What’s up, Mum?—Your room is ________You’d better get it tidied up.[ ]

means _________, but none proved __________.

With car prices _____, I find it difficult to realize my dream of having a car of my own.

US First Lady Michelle Obama encouraged（鼓励）students to study abroad in her ____when visiting Peking University (北京大学) on March 22, 2014.