I like junk food very much, but I eat ______ only once a month.
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 mea 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?