—What’s wrong with you, Eric? You look tired—I _______ to prepare for the final exam last night.
I don’t know _____ next.
—Do you like the shirt?—Yes, it ____ very soft.
When I was young, my father told me__________.
—Peter looks sporty.—Yes. He is the ______runner in my class.
We won’t go sightseeing if ____ tomorrow.