The opposition leaders ________ the government for not taking action sooner.
A、warnedB
暂无解析
Wemust______thattheexperimentiscontrolledasrigidlyaspossible.
________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.
Becareful,_______you'llfalldown.
Tostudyaforeignlanguage,__________.
Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.