（1）____ Before the air in our city was not clean. And
the sky was not always blue. We couldn't see
the stars at night. But now we plant many
trees. Our city becomes more and more
beautiful. | （2）____ Before, I didn't have Robin. Now I stay with
him every day. He can help me do many
things. Now I have another family member,
Max. Before, he was small. Now he is bigger.
He runs after me every day. I love him. |
（3）____ Before, there was no gym in my school. We
couldn't run or jump on rainy days. Now we
have a big one. We can play sports in it.Before, there was no dining hall either. We ate lunch
in the classroom. Now we have a new one. I
like it very much. | （4）____ Before, we had to go to the shops or the supermarkets to buy things. Now we can buy
clothes, food, we had to take cash（现金）
for shopping. Now we just need to take a
smartphone. It's very convenient（便捷）. |
