as is often the case 固定短语,表示这是常有的事.
混淆项为A which,其实语法上来说,用which引导非限制性定语从句也可以,但是as is often the case常被看做一个固定短语,还有as was expected等.同时,as常是放在句首的,which常是放在句中的.
as is often the case 固定短语,表示这是常有的事.
混淆项为A which,其实语法上来说,用which引导非限制性定语从句也可以,但是as is often the case常被看做一个固定短语,还有as was expected等.同时,as常是放在句首的,which常是放在句中的.