用所给单词填空 what how when where who that if The teacher gave us too much homework. I wonder ________ I'll have enough time to do it! This book is very interesting. I find ________ I can't stop reading it. The doctor asked Amy ______ she injured her leg. She said she fell down and broke her leg. This box is really pretty. But there is no name on it. I've forgotten ______ gave this gift to me. Joyce was going to visit a friend. Her father asked ______ her friend lived. David borrowed 200 Yuan from me last week, but he hasn't paid me back. I wonder ______ he will pay me back. It's Christmas Day. The children don't know ______ is in their stockings.