There is “u” and “s” in the word “us”.
We’ll go for a picnic if it _______ this weekend.
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.