I lost my watch. I must ______ it.
It’s very hot here. Why not _______ your coat?
I don’t want to read this book. There is _______ in it.
---Did you catch what the teacher said?---No. She spoke so fast _______ I couldn’t hear her very clearly.
---Where’s Li Hua?---Look! He _______ tennis on the playground.
He is a very honest man. He never _______ lies.