. Tom hasn’t arrived yet. What can have ___________ to him?
What a pity! Considering his ability and experience, he ________ better.
—David, the windows of the room are very dirty. ________ I clean them before we move in? —Of course.
—Where is the post office? —It's just over there, at the end of the street. You ________ not miss it.
—Can you keep the secret? —You ________ worry — I'm not going to mention it to anyone.
—May I use your dictionary? I need to look up a word. —It's over there.________.