1. Her clothes______ always beautiful.
A. is B. am C. are D. be
【解析】选C。考查主谓一致。clothes是衣服的总称，是个复数概念，作主语时谓语动词用复数形式，故选C。
2. This is my favourite book. ______ name is Harry Potter.
A. It B. It’s C. Its D. It is
【解析】选C。句意：这是我最喜欢的书，名字叫《哈利·波特》。考查形容词性物主代词的用法。与my favourite book相一致的物主代词是its，故选C。
