---Millie, where is Miss Li?---She _________ a speech on Chinese art to the first-year students in the hall.

— Look! The light is still on in our teacher’s office.— Probably she ______ her work yet.

Tom _______ his English book in the classroom last Friday.

I often practice _________ English with my father.

—What do you want to do for vacation?  —I ____ my aunt.