用 happen 或 take place 填空。
1. Don’t wait for good things to to you. You need to walk towards happiness.
2. —Jenny, do you know when the sports meeting will ?
—Er, next Tuesday.
3. 我们永远不知道未来会发生什么。
We never know in the future.
4. 看到身边发生了巨大变化，我们都感到非常激动。
We all feel very excited to see that great changes around us.

1. happen
2. take place
3. what will happen
4. have taken place

1. —You have made such great progress in your English.
—Thanks. I believe the (hard) we work, the (good) we will be.
2. Every one of us plants trees and flowers every spring, and our school becomes (越来越漂亮).

1. harder; better
2. more and more beautiful