Ⅰ.单句语法填空
1．Tom found a hiding place in the trees to keep himself hidden from the enemy.(hide)
2．As time went on，he came to realize the importance of study.
3．He telephoned the travel agency to book(book) three air tickets to London.
4．When the boss came in，the workers pretended to be working(work) hard on their machines.
5．Read this story，and you will realize that not everything can be bought with money.
6．In order to avoid confusion(confuse)，more policemen came to the stadium to keep order.
7．Believe it or not，I don't have any wonderful memory/memories(memorize) of my schooldays.
8．Some teenagers drop out of school and wander around/about the street all day with nothing to do.
