We can see light in his office. He___________ be in his office.

---Alice, you didn’t come to Tim’s birthday last night. ---I wished I had, but my parents just simply___ not let me out so late at night.

 Don’t be angry with us. We _____ with you together, but we were busy with our final reports when you called in.

--- Are you in a hurry? --- No, in fact, I’ve got plenty of time. I _______ wait.

—I don’t care what my teachers think．—Well，you________．