1．(2015·北京，21改编)________(catch) the early flight，we ordered a taxi in advance and got up very early.
答案：To catch To catch在此作目的状语。句意：为了赶上早航班，我们提前订了出租车并且起得很早。
2．(2015·北京，23改编)The park was full of people，________(enjoy) themselves in the sunshine.
答案：enjoying enjoying为现在分词作伴随状语，与people形成逻辑上的主谓关系。句意：公园里人山人海，他们在沐浴着阳光愉快地玩耍。
3．(2015·北京，31改编)If ________(accept) for the job, you'll be informed soon.
答案：accepted accept与主语you构成逻辑上的被动关系，用过去分词。句意：如果你被录用了，我们会很快通知你。
