A number of students _______ reading in the classroom now.

—How many times ________ Li Yan ________ to the Great Wall?—Twice.

 —If the question________ correctly, you will have a chance to visit Disneyland.—Great. I believe I can do it.

It’s four o’clock in the afternoon. The boys __ in the pool.

— Do you know what Millie and Andy were doing at 8 o’clock yesterday?—Yes.While Millie ______ TV, Andy ______ a book in the bedroom.