—Don't forget ________your homework，John.
—OK.I'll do right now.
A．doing B．do C．to do
Plan your time carefully and make sure you have some time ____what you like every day.
| A．do | B．to do |
| C．doing | D．done |
—I feel a bit hungry now.
—Why not ________for dinner with us?
| A．go | B．did you go |
| C．to go | D．do you go |
May I have a rest? I have already finished ________the report.
| A．write | B．writing |
| C．to write | D．written |
We can't work out the physics problem. Can you tell us ________？
| A．how to do | B．what to do it |
| C．how to do it | D．what should to do |