—Don’t eat too much candy, for it’s_____ your teeth.—Oh,I get it.Thank you.
Please tell me________. I have some gifts for him.
—Please _______to return my book by Friday. I'll use it on Saturday. —No, problem. I'll finish reading it on Thursday.
—Hi, guys. Where are you heading now? —Home. We _________all our money, so we have to walk home now.
This math problem is too difficult. Can you show me________, George?
—Who is the little girl in the picture? —It's me. The picture __________10 years ago.