用所给词的适当形式填空。
ring cry but come watch
1. My father is working on the computer, but my brother starts to ________.
2. My mother is cooking dinner, but the bell ________.
3. “Come in，please!” I say. My friend Lucy ________ in.
4. Mr Smart is reading a book and Mrs Smart ________ TV.
5. Lin Tao is doing his homework, ________ the phone rings.
_________