填空题 Fill in the blanks with words or the expression given below.semesterinstructorweaponcanceldelicious(1) (填空题) ____ a period of time into which a year is divided at university or college(2) (填空题) ____ to stop an event from happening(3) (填空题) ____ a person who teaches a skill(4) (填空题) ____ something that tastes really good(5) (填空题) ____ an object used in fighting war