数词能做同位语吗
答案是肯定的。
数词做同位语请看：
You two wait here. Tom and I will go and get some water. 你们俩在这儿等，我和汤姆去找一些水来。
Are you two reading?
你们两人都在看书吗？
Let us four finish the work.
让我们四个人完成这工作吧
Who is that man, the first in the front row?
前排第一个是准？
You can tell the secret to us two.
你可以把这个秘密告诉我们2个。
Are you two ready?你们俩准备好了吗？
They two went, we three stayed behind.
他们俩去了，我们三个留了下来。
We four were greatly touched to hear the old man’s story．
听了老人的故事，我们四人都很受感动。
顺便说一下，同位语从句的先行词只能是名词，而且仅限于idea，plan，fact，theory，promise，hope，news，doubt，truth，information，suggestion，question， thought，belief，conclusion等少数名词。
Do you think there is any room for us ___?
A.two B. the two C.second D.the second
分析：你觉得这么一点空间容得下我们两人吗？答案A.