since his hair too long ,he wanted to have it cut

网友回答

Since his hair【was】 too long ,he wanted to have it cut.
since在这里做because用.因为他的头发太长了,他想去剪头发
因为和所以的两句话,都要各项句子结构完整~
只有加上was,前句才有动词~
======以下答案可供参考======
供参考答案1:
Since his hair was too long, he wanted to have it cut.
因为long是形容词，用的时候必须要用be动词连用；又因为后面wanted可以看到是一般过去时，所以前面也要用一般过去时，was；（hair后面用第三人称单数）
供参考答案2:
Since his hair was to long，。。。
没谓语啊。供参考答案3:
应该是since his hair is too long 缺be动词
供参考答案4:
since的半句 缺了谓语，since his hair was too long, he wanted to have it cut.