When he suddenly ________ up the subject of genetic engineering, there was an embarrassedsilence.
B
暂无解析
Tostudyaforeignlanguage,__________.
TheTVstation,in________tomassivepopulardemand,decidedtocontinuethesoapopera(肥皂剧).
Thestudentfoundthenovel_______.Itprovidedhimwithsomuchinformationaboutthesubject.
Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).