As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

The ______ a teacher has on children is usually greater than that of their parents.

The young student is ____as a writer. It’s_____to all his teachers.

I hope my teacher will take my recent illness into _____ when judging my examination.

Although the city had been attacked by the storm several times, ______was done.