278 The road constant improvements can’tkeep pace with the increasing ____

Last Saturday Peter had a lot of fun with his family _____________ kites in a park.

We thought of selling this old furniture,but we’ve decided to________ it. It might be valuable. [ ]

I enjoy learning English, it takes me a lot of time.

He couldn’t continue to live such a poor life, so he left home, ____ not to come back if he couldn’t get rich.