填空题 Fill in the blanks with words or the expression given below.engineerweaponrain cats and dogscancelspecial(1) (填空题) ____ a person who designs or builds machines or engines(2) (填空题) ____ an object used in fighting war(3) (填空题) ____ to stop an event from happening(4) (填空题) ____ a dish which isn't on the regular menu, but which is served on a particular day(5) (填空题) ____ to rain very heavily