I am not watching TV, is Jim.
I don’t think he is clever, ?
I don’t think should be allowed to drive.
—Which university do you want to enter?—It’s hard for me a decision.
He is __________ unusual inventor and he invented _________ useful invention.A. a; an B. a; a C. an; an D, an; a
I didn’t know __________. Can you tell me?