单选题:A country must always be_________guard against spies and inv 题目分类:成人英语三级 题目类型:单选题 号外号外:注册会员即送体验阅读点! 题目内容: A country must always be_________guard against spies and invaders. A.in B.to C.with D.on 参考答案: 答案解析:
_________your homework and make sure that you don' tany mist _________your homework and make sure that you don' tany mistakes.A.Do; do B.Make 分类:成人英语三级 题型:单选题 查看答案
If you don' t put the milk in the refrigerator, it may _____ If you don' t put the milk in the refrigerator, it may _________A.go by B.go off 分类:成人英语三级 题型:单选题 查看答案