期中复习 用所给词的正确形式填空。 用所给词的正确形式填空。 1. 1. Listen Listen! Someone _( ! Someone _(sing sing) ) a song in the next room. a song in the next room. 2 2. It takes me . It takes me about two and a half about two and a half hours _ ( hours _ (finish) finish) my my homework every weekend. homework every weekend. 3. I think _ 3. I think _ (difference (difference) ) are are not important in a not important in a friendship. friendship. 4. Jim thinks English is _ 4. Jim thinks English is _ ( (difficult difficult)