【推荐1】The boy ________ is playing the guitar is my cousin. (用适当的词填空)

【推荐2】People ________ oppose cloning also reject the use of animals as research tools. （用适当的词填空）

【推荐3】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1】Do you have the photo__________we took together in our primary school? （单词的适当形式填空）

【推荐2】I’m writing to make an apology to you for the inconvenience ________ we have brought you. (用适当的词填空)

【推荐3】Is this the museum________you once visited? (用适当的词填空)