they helpde us time and again,___very kind of them.

问题描述:

they helpde us time and again,___very kind of them.
awhich was bwhich were
请问 怎么判断使用was 还是用were?

a which was
主要看意思.
they helped us time and again,
他们不时的总帮我们,他们的(这一点)是非常友好的.
which指代的是,“他们不时的总帮我们”前面整个句子,这种情况,通常是单数.