—Where’s Jill? —She ________ in the office. I saw her there just now.
There are so many kinds of Mp3 in the shop. We can’t decide ________ .
Just before the Chinese class, I suddenly realized that I forgot _______ my Chinese text book.
-- Can I tell Peter about the news?-- No, I don’t want anyone else to know it. You ________ keep it to yourself.
I feel it hard to keep up with my classmates in study and sometimes I lose heart. But whenever I want to ________ , my teacher always encourages me to work harder.
-- Lily is coming by ________plane tomorrow. -- Let’s go to ________ airport to meet her.