7. Many ______ _____ ______. (很多罪行逃脱了惩处)
8. There is an _______ ____ ____ people to work on farms. (立即需要)
9. It was _____(极冷) last night. Two persons ____ _____ ___ _____on the mountain(冻死).
10. The police ___ ______ ______ ______illegal dealers. (严厉打击)