1.she used not to like playing with a yo-yo,but now she likes it very much.
2.You must look carefully before you cross the road.
3.We were just ready to play football when it began to rain.
4.It is ten years since I met you last.
5.No matter how hard it was,he never gave up.
參考答案:1.她从前不喜欢玩溜溜球,但现在非常喜欢.
2.过马路之前你一定要仔细观察.
3.我们正要踢足球,雨就下了起来.
4.自从我上次碰到你已经十年了.
5.无论怎么困难,他从不放弃.