—I saw Mr. Green at school this morning. —No, it _____ him. He flied to Canada last week. A. can be B. must be C. can’t be
In the piano contest, my brother didn’t play well and I did_____.
We all decided to try______.
Listen! Someone______ an English song now.
There_______a sports meeting in our school next week.
My mother ______when I got home.