Martin Evans, a Nobel Prize winner for medicine thinks that we should never give up our dream — even when ________ think we are dreaming the wrong ones!
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.