活学巧用(用quiet,still,silent或calm填空) ⑤The family lived in a quiet little town. ⑥The house was so silent that no one dared to say a word. ⑦It was so still that even the leaves on the trees were not moving. ⑧Keep calm ,and try not to panic!
完成句子 ⑨Please keep/stay calm in the face of great danger. 面对巨大危险时请保持镇静。