句型转换。
1. She is taking care of her sick mother. (变一般疑问句)
______ ______ taking care of her sick mother?
2. Jim felt upset just now. (变否定句)
Jim ______ ______ upset just now.
3.Tom's mother looks worried. (对画线部分提问)
______ ______ Tom's mother look?
4. Let's sing the song together, ______ ______? (完成反意疑问句)
5. 他太困了而不能做任何家庭作业。 (完成译文)
He was ______ sleepy ______ do any homework.