用所给动词的适当形式填空。
1. Look! Stephen ______ (lie) on the bunk bed.
2. Lily, ______ (look) out of the window. There is a lovely dog.
3. Everyone in our family ______ (like) to watch Lucky 52.
4. It's important______ (not play) with fire.
5. They live a comfortable life and have nothing ______ (worry) about.