---Isn’t it time you went to bed, Mike?---I _____ painting all afternoon, so I have to finish my homework now.
Either she ______ he is fit for the job, but not me.
Most of us found ______ difficult to finish the work in such a short time.
—Do you know where Mary is? —No, I don’t. I ______ her since last Sunday night.
You still go to the gym every day, ______ you?
The boy ______ is standing at the school gate is our monitor.