The volunteers      a lot of help to the community for nearly ten years.

— Oh, fantastic! What is your comment on the song Jingubang? — Terribly sorry! I _____.

We will have a picnic if it _____ tomorrow.

—Where were you last Saturday?—I ____ in the Capital Museum.

—Simon, you look worried. What’s wrong with you?—Well, I        a test and I’m waiting for the result.