—Hurry up! The concert for ten minutes.—OK. I’m coming.A. has begun B. has been on C. has put on.
Tom and I went boating yesterday. _______ had a good time.
Would you please tell me ______ this book?
A lot of trees ______ in our school last year.
If she ______ well in her exams, she will go to Beijing University in September.
When I went to say goodbye to Ann, she ______ the piano.