This is one of the most interesting films___shown last week.答案选that were
This is the only(very) one of the most interesting films___shown last week.
答案选that was.可不可以解释为 首先有最高级most修饰,所以只能用that .其次,第一个题目的先行词是films所以是复数,而第二题的先行词是the only one film 所以用单数?