There is no doubt the earth is becoming warmer

The boy talked his mother ________ buying him a homecomputer.

In a few years, there ________ hundreds of trees on the mountain.

You should have a part-time job during the summer holidays.— I don’t you, Mom. I am too young to do that.

Large quantities of water, as well as some other timely help including a medical team ___ since the serious drought hit Yunnan Province. [ ]