30 The coal we use today should _____plants and trees

The government has decided to give preference to thoseenvironmently-friendly business and companies in all aspects in _______ ofsustainable development

The little girl looked at the huge statue with a puzzled look, wondering why the color of it was not _____ with its background. [ ]

I tried to go into the parking lot, but there was a big truck ___[ ]

The basketball isn’t _____. It belongs to _________.