A:赤道
B:回归线
C:极圈
D:本初子午线
——Jack , you look tired today. What’s wrong?——I was ____busy_______ I didn't go to bed until midnight yesterday.
给加横线的词换一个说法
①一阵阵秋风掠过 ____田野。
②撒下一阵暖暖的叮咛 ____。
③走进这辽阔 ____的音乐厅。