If he starts talking about his past, you will never___ from him.

My English teacher is really ___．She is often seen working in her office far into the night．

We can never expect bluer sky unless we create less polluted world.

Oh, you like reading about star signs.- Not really. I read about them_______ for fun.

I have _________ told your phone number. Has he called you ________—No, he hasn’t called me _________.