定语从句2
_______has already been pointed out,grammar is not a set of dead roles.
A.as B.it C.that D.which
参考答案:A.
as和which引导非限制性定语从句,但只有as能放在句首
_______has already been pointed out,grammar is not a set of dead roles.
A.as B.it C.that D.which
参考答案:A.
as和which引导非限制性定语从句,但只有as能放在句首