It was after he got what he had wanted he realized it was not so important

The city of Nanchang has grown so fast that it’s atleast _____ what it used to be.

The scientist decided to devote his life to ____ pollution from ____ again.

Can I join your club,dad? ——You can when you______a bit older

Progress so far has been very good______，we are sure that the project will be completed on time