Is it______________________________wonderful film?横线上填a or an or the为什么

下面的大写字母过程的缩略词的中文意思是什么?1.PRC__________ 2.CCTV_____________ 3.WTO___________ 4.IQ___________ 5.SARS_____________ 6.ABC___________7.WC___________ 8.IT_______________ 9.USA___________10.UN__________ 同义句转换 1 The white pants are my favourite.2 It's not oid.第2个发错了1 The white pants are my favourite.改为：I___the white pants ______.2 It's not new.It_______________. is is is is. is Is is is is is is is is she is fine.-----------is-----------? what is over is what is done is Whatever is,is good. whatever is,is good. david is ruler is ()than tom is. were is baby?here is here is..