小题1:Shall I __________ (介绍) you to my classmates?
小题2:The __________ (侦探)spent the whole night waiting for the thief.
小题3:He was ___________ (解雇)by his boss for no reason .
小题4:As a student, you have to b__________ work and play, or you might fail your exams.
小题5:Young ladies are running after a slim f__________ ,aren’t they?
小题6:We r____________ to inform you that our library will be closed.
小题7:The school can’t t_________ such bad behavior.
小题1:introduce
小题2:detective
小题3:dismissed
小题4:balance
小题5:figure
小题6:regret
小题7:tolerate
题目分析：
小题1:introduce 动词介绍introduce；固定词组introduce sb to sb把某人介绍给某人。
小题2:detective 名词侦探：detective。
小题3:dismissed 动词解雇：dismiss。本句使用被动语态，故使用过去分词的形式。
小题4:balance 动词平衡：balance。
小题5:figure 名词身材，数据：figure。
小题6:regret 动词后悔，遗憾：regret；regret doing sth遗憾做了某事；regret to do sth遗憾要做某事。
小题7:tolerate 动词容忍：tolerate.常常与否定词连用。
点评：本题的难点在于单词的固定词组和词汇的识记。