请读懂下列句子，用下列方框中所给短语的正确形式填空。
look back on be supposed to be hard on make the most of in the long term
【小题1】Wang Bin's parents him, demanding that he should only do the reading
instead of surfing the Internet even in summer holidays.
【小题2】I like to my high-school days, which are the happiest in my life.
【小题3】We should cut our expense .
【小题4】What's the matter with you? You be happy.
【小题5】He every opportunity he could get and was successful.are hard on
网友回答
(答案→)are hard on
解析：
【小题1】原句意思是，王兵的家长对他要求很严格，要求他即使在暑假也要读书，不能上网。be hard on 对……要求严格。
【小题2】原句意思是，我喜欢回忆我读高中的日子，那是我一生中最快乐的时光。look back on回忆73. 原句意思是，从长远观点来看，我们应该削减我们的费用。in the long term从长远观点来看。
【小题3】原句意思是，你怎么了？你应该高兴。be supposed to应该。
【小题4】原句意思是，他最大限度地利用他得到的每一次机会，最终成功了。make the most of 最大限度地利用。