--- Is it serious, doctor? --- No, nothing serious. But it’s important for you______ less meat.A. eating B. to eat C. eat
—Do you teach ________ foreign languages? —Yes, I learn them on TV.
Jack _______ swim when he was five years old.
I think this problem is _______ that one.
Mrs Li is planning ______ Beijing with her cousin.
—I’d like ______ dress. What about ____ blue one? —Try it on.