— Ningbo _______a lot in the past10 years.— Yeah, you`re right.
—Which do you like , summer or winter?—I prefer summer.
—Mom, shall we have supper now?—Oh, we won’t have supper ______ your dad comes back.
—Excuse me, are these ______ new shoes?—No, they aren’t. ______ are black over there.
—Did you get there by ______ bike?—No, I took ______ taxi.
When it is winter in China, it is _______ in Australia.