My teacher told me __________ hard on my English.

My parents want me　　　more exercise. 

---People are not allowed __________in the cinema. ---But they will allow ___________in the restroom.

—I’m sorry I forgot      the letter for you! I’m really busy these days”—It doesn’t matter, I’ll post it myself.”

After he finished ______ the exciting story, he talked about it on and on with his friends.