Model: this bag is heavy, (help) this bag is heavy. — i'll help you. 1. the floor is dirty, (clean) 2. i like this book, (bring) 3. i need a pen. (give) 4. the window is open and i'm cold, (close) 5. i can't walk the dog now. i'm tired, (do) 6. i can't meet my friend at the railway station. i'm busy, (meet)