-- ? --I have a sore throat.
He used to be ______ UNICEF worker, but now he is really excellent football player.
- Let's go on a picnic if it_______ next Saturday. - But nobody knows if it_______ on that day.
— I feel really tired.— ______
- You look _____.What's up, sir?- I can't find my ticket, but it's time to check in.
—How was your climbing Mount Huang? ---I didn’t believe I could do it __________I got to the top.