找出每题中的一个错误，并在横线上改正。1. Helen can speaks three languages.
2. How much pens are there in your pencil-box?
3. Not throw rubbish on the floor, please.
4. I should to take some medicine after meals.
5. What's the wrong with your brother?
试题答案
1. speaks-speak 2. much-many 3. Not-Don't
4. should-need 或去掉to 5. the wrong-wrong 或wrong-matter