Dad, it’s such a long way from our home to the park! — You mean it’s ______ to take a taxi?

He didn’t work ________ the other students in his class, so he got the worst report card for the end-of-year exams.

There are so many flowers on ___________ side of the street．—Yes．I hope that all the flowers belong to _______________．

Have you mended your bike，Bob?一Yes，I______it twenty minutes ago.

I think _______ our duty to keep our environment clean and tidy.