【正文】
at ______________ lot. A. valid B. vain C. vacant D. vague 4. Traffic lights are used to __________ traffic A. adjust B. arrange C. mand D. regulate 5. In a way it was a(n) __________ to know exactly what we were up against. A. effect B. means C. relief D. suggestion 6. He determined to the great cause of munism. A. live a happy life B. e to life C. give life to D. give his own life to suddenly saw Sue _____ the room. He pushed his way _____ the crowd of people to get to . across。 through C. over。 through 總結(jié)反芻 : _