______everyone in your class_____watching TV?
Don’t smoke here, look at the on the wall.A、sign B、mark C、design
My son can different kinds of computers.A、take up B、clean up C、fix up
My parents told me alone.A、not to travel B、not travel C、to not travel
If you want to change the world, you have to yourself first.A、enjoy B、check C、change
You have to your mother the housework.A、helps; to do B、helps; doing C、help; do