【推荐1】I am sure he is one of the smartest people ________ I have ever met. (用适当的词填空)

【推荐2】Teens _______ try to copy the looks of their favourite stars are fighting a _______ (lose) battle — these standards are simply impossible for most of the population to live ______ to. （所给词的适当形式填空）

【推荐3】We’ll reach the sales targets in a month ____we set at the beginning of the year.

【推荐1】He reached a lonely island ________was completely cut off from the outside world. （用适当的词填空）

【推荐2】Then they leave the island together on a raft _________ they find on the Mississippi River. （用适当的词填空）

【推荐3】This is the museum _________we visited during our class trip. (用适当的词填空)