大珠江三角洲城市群的核心城市是（   ）

    Yesterday was ____.In the morning, it was rainy, so I didn't____out. I studied ____ and cleaned my bedroom. Then I used my computer and played games. In the afternoon, it was____.I visited my good friend Lisa. We____some tasty food. Then we read some____.We____a good time together.

在横线上填上适当的关联词语。

①学习____要下苦功夫，____要讲究方法。

②____遇到什么困难，____不能动摇他读书的决心。

③____小华读得多，写得多，____他的作文进步很快。

④奶奶____年纪大了，____身体却很硬朗。

⑤____你答应了他的要求，你____应该说到做到。