1 . 下列各句均有一处错误，请标出并改正。
1. If my brother was here, everything would be all right.
2. If he hadn’t been caught in the storm yesterday, he will not be ill now.
3. Therefore we strongly suggested that similar events are held every year.
4. The answer sheet must cut from the newspaper and sent to China Daily after the deadline.
5. We must found ways to protect our environment.
6. Some people who don’t like to talk much are not necessarily shy; they must just be quiet people.
7. —It’s the office! So you may know eating is not allowed here.
—Oh, sorry.
8. If you made better use of your time, you might have learned more.
9. Eye doctors recommend that a child’s first eye exam was at the age of six months old.
10. It mustn’ t be the vocabulary that caused you the problem in the exercise because you know a lot of words.