【推荐1】I hope your new product will be very ________ (success).

【推荐2】Through hard work, Chinese acrobats have been __________ (success) in many international competitions over the years.

【推荐3】The play was very ______ (success) on Broadway.

【推荐1】It was i________ of you to shout at the old man. You should say sorry to him.

【推荐2】Ⅱ. 用所给词的适当形式填空
1. Air pollution is __________（harm）to our health.
2. In order to make living area better, more trees need __________（plant）.
3. It’s everyone’s duty __________（protect）the environment.
4. Water and soil help __________（provide）us with necessary food and drinks.
5. In many places, rubbish __________（throw）into lakes and rivers. So many of them __________（pollute）.
6. Factories must stop from __________（pour）waste water into the nearby rivers.
7. As well as people, animals __________（harm）by pollution.
8. Though the two girls are twins, there are many __________（different）between them.
9. We can’t do __________（harm）to others.

【推荐3】Little Tony was very ________ (激动的) about his new toy.