----Is that Jack speaking? ----Sorry, he isn’t in right now. He ________ the park with his mother. A. have been to B. has gone to C. has been to
- Have you heard about the missing flight? - Sure, it_______ the only thing on the news these days.
We'll never give up_______ on the project no matter how difficult it is.
You_______ buy a gift, but you can if you want to.
Your house is always so tidy - how do you_______ it with three children?
- Do you know Lucy well? - Of course I do. We've been good friends_______ ten years ago.