Always_____ready to help others and you will get a lot of help in return.A: being B: to be C: been D : be为什么要用to be 呢,而不是用be
问题描述：
Always_____ready to help others and you will get a lot of help in return.
A: being B: to be C: been D : be
为什么要用to be 呢,而不是用be
答
应该是be,答案错了。
答
D. be
答
因为这是一个句子的开头,只能用动名词being和动词不定式to be做主语
这里的always不是句子主语,只是一个修饰成分