r race car isn’t insured, you maylosingeverything when it hits something solid．

I’m glad you’ve made great progress so far. Keep it up______ you must be successful.

You have no idea what I’ve had to ______ during the last few months.

Fresh food is good for you . But you have to ______it first because sometimes it a little dirty.

What did your parents think about your decision?—They always let me do _____ I think I should.