—Li Lei isn’t in the classroom. Where is he?—He ______ to the teacher’s office.
— What did you see?— I saw many boys________ games near the river.
— What’s the trouble with you?一I________ a headache.
Students shouldn’t go to school __________breakfast. It’s bad for their health.
–How does Jack usually go to work?—He ______ drive a car, but now he ______ there to lose weight.
—Why are you so tired these days?—Well, I have ________ homework to do.