If it ______tomorrow, we’d stay at home.

—The window is dirty.
—I know. It ______ for weeks.

When I was at school, I _____ up very late, reading storybooks.

    -- How can I apply for an online course?
-- Just fill out this form and we _______ what we can do four you.

Professor James will give us a lecture on the Western culture, but when and where _______ yet.

—You didn’t go to the party last night, did you?
—I do wish I _________ there, but I had to do my homework.

All the essays _____________, the teacher sent the students home.

A warm welcome ______ to the American guests at the airport tomorrow morning.

The teacher told the students that there _______a meeting at three o’clock.

After the examination，my teacher told me that failure _______the mother of success.