单项选择题
An adviser said in China（）course should be developed in some Universities, one year at work, one year college.
A.a sandwich B.a salad C.a macaroni D.a dinner
单项选择题 I prefer to live in the countryside. Country life has a lot of（）over city life.
单项选择题 You should make（）your house or flat is secure.
单项选择题 He asked me（）English culture.
