His grandfather and grandmother _____Chongqing for 40 years. They like living there.

We need fifteen more people ____ the twenty of us to do the job.[ ]

What does your grandma often do after supper?–She ___ for a walk.

We must act now because time is _______.—Yes. Let’s start.

It is a good habit of ______ to read a few lines before going to bed.