The Smiths came to Shanghai in2012, they there for three years since then.

The social worker spent nearly two hours __________ the plan. He said he would discuss with you about it these two days.— Really __________ is fine.

Your donation_________ and themoney will be used to help the students from poor families.

The villagers want to build a bridge ____ the river.

ts are required to go out in couples, especiallyin the evenings, with friends ______ they get into trouble.