【推荐1】________ ________ _________ (树立目标) is necessary because it will serve as a reminder of working hard towards success.（根据汉语提示完成句子）

【推荐2】完成句子
1. I________________________—it was a perfect day.
我那时玩得再高兴不过了——那真是完美的一天。
2. ________________earn much money but I will also gain some social experience through it.
通过它我不但可以挣很多钱而且也能获得一些社会经验。
3. ________________________until tomorrow is often acceptable.
将不太重要的事情留到明天通常是可以接受的做法。
4. It is reported in the newspaper that several new subway lines________________in Wuhan.
据报纸报道，武汉正在建设几条新的地铁线路。
5. However，a plan can bear________fruit______________________________．
然而，倘若不真正执行的话，一项计划不会有结果。