Question

1. The girl informed me that tickets for the films         . (sell)

那个女孩儿告诉我电影票已经卖完了。

Answer 1

1. had been sold out从句谓语动词sell发生在主句谓语动词informed之前，所以用过去完成时。 sell out是固定短语，意为"卖完"。