The flight MH370 disappears now. We don’t know the missing plane.A. what to find B. which to findC. where to find
What did you ________ yesterday?
—What’swrong with you? —_________________.
He used to ________very late, but now he is used to __________early.
Could you_________ when the planes arrives?
—I’m sorry I_______ my exercise book at home. —Don’t forget _______it here tomorrow , please.