What do you think of the room — It’s too dirty .

Make good preparations for your self-driving trip ______you’ll regret it when your car breaks down in a remote area.

Let’ t go for a walk . — That sounds good .

I turn on the TV for you，Grandpa?一Yes，thanks a lot，my dear. You’re so considerate.

Jack called his mother at 7:30 yesterday, but she didn’t pick up at that time.