Many students fail 61 (perform) well in an exam not because they lack ability, but because of the unique pressure of the exam room—the tense atmosphere, the ticking clock on the wall, the t
根据句意和首字母提示补全单词。 66. Mr. Smith can o_____ his guests some coffee or tea when they come to his home. 67. Today, everyone o_____ to be a greener person. 68. I felt a shar