Question

语法好的进来看看,As is reported,a trade agreement was signed and a c

Answer 1

As充当关系代词,引导非限制定语从句,从句可放在句首、句中、句末.

as指代整个句子,它在从句中做主语,宾语或表语.

就像As is known to us ,the earth turns round the sun.

as在这个句子里是代词,做的就是主语