China opened its door to the outside world in 1978. ________ that had far-reaching effects.

With my money ______, I went back home.

You could ____the bike from Wei Fang.—But she____it to Zhang Hua.

When I first got to Harvard, my awkward English brought me great trouble.——Oh, dear, it _______a struggle for you to keep up with other students.

Could you tell me ______— Sure. Go along this street and you will find it on your left.