People often have this belief ______ developmentis bad for the environment, but this does not have to be true.

This is Mr. Smith. _______ help I worked out many difficult problems.

Thereusedtobeaquietvillage,__________?

I’m sorry I __________ my homework at home, Mr. Wang! — That’s all right. Don’t forget __________ it to school tomorrow.

ted, please and I’ll make you a cup of tea.—_________.Let’s come to the point first.