Though three ___________(four) of the earth is covered with water, we mustn’t waste it.
This is a (help) map and it didn’t take me much time to come here from the station.
I don’t have enough money, so I will choose the __________(cheap)one of the two computers.
I didn’t ____________(simple)believe it was true until I saw it with my own eyes.
It’s so cold outside, come in and warm _____________(you), boys.