If your race car isn’t insured, you may _______losing everything when it hits something solid.
--When can I go out to play football, Mum? --Finish your homework first, or I won't let you ________.
We'd better _______on the road. A car may hit us.
Lin Tao can't be at home. I saw him _______here a few minutes ago.
Every day I spend two hours _______my homework.
Jack's brother doesn't work so _________as Jack.