【推荐1】We all hope to live in a world without ________ (污染), so it’s time for us to go green now.

【推荐2】Thanks to the environmental protection programs, more and more people began to reduce the ________. (垃圾污染)

【推荐3】There is more air p________ because cars are widely used these days.

【推荐1】Mr. White thinks his childhood is the happiest p_____ in his life.

【推荐2】I like flowers in v________. The colour is beautiful.

【推荐3】用括号中所给单词的适当形式填空
1. Look, they _______ (study)English under the tree over there.
2. —There's too much _______ in winter in Harbin.
—It's always _______.(snow)
3. Be quiet! The little boy _______ (sleep).
4. —What bad weather it is today!
—Yes，the weather _______ (make)me so sad.
5. —What's Danny doing right now?
—He _______ basketball with his friends. He always _______basketball after school.(play)
6. —Where is your father?
—He _______ (watch)the World Cup in the living room.
7. _______ (sound)like you're having a good time.
8. She _______ (talk)on the phone for three hours every day.
9. My aunt enjoys _______ (go)out for a walk on sunny days.