We must ___________ ourselves ___________ our work.
A:strict in; with
B:be strict in; with
C:be strict with; in
D:strict with; in
不要说谎话。可以说:
涨潮时,潮水带来许多食物,牡蛎将壳打开,进行取食活动
读某区域图(下图),回答题。