Ⅰ. 用所给词的适当形式填空
1. I ________(study)English hard since I came to New York.
2. Susan started playing the piano when she _______(be)six years old.
3. Has your father ever been to________ (Japanese)?
4. Dave has few friends because his _______(society)life is very poor.
5. Jenny likes English and music ______(well)of all the subjects.
答案：1. have studied 2. was 3. Japan 4. social 5. best
