要求:用下列单词或短语的适当形式填空 over time, infection, hook, do well, creativity These exercises encourage _________ in the use of language. Don't worry about the test. I'm sure you’ll ________. Breast milk can help protect babies against ________. The novel ________ me on the very first page. Once I got my hands on it, I can't put it down. Language changes ________ because the needs of its speakers change.