Could you tell me _____? I must find him. —-Sorry. I have no idea. But he was here just now .

It’s a good way to control how many minutes your child talking on his cell and texting.

What do you think of this math problem?—It’s too easy. _____ in our class can work it out.

Early experiences taught me not to be overly _about shopping by mobile phone because there is a high risk of being cheated．

You should have a part-time job. —-I don’t _____you,Mum,I am too young to do that.