I had a birthday party last sunday.I had ...yester

问题补充：

I had a birthday party last sunday.I had ...yesterday.Be carefully when you...这些句子对吗?哪里不对?应该是什么?为什么?急,还有We often play football on the playground.

答案：

Be carefully 不对,改为careful 形容词,系表结构,be careful 而carefully 是副词

其他的对======以下答案可供参考======

供参考答案1:

楼下正解。供参考答案2:

sunday应改为Sunday

on the playground一般用in