Question

【题目】The students are doing morning ______ on the playground．

A. practice B. exercises C. training D. sports

Answer 1

【答案】B

【解析】句意：学生们正在操场上做早操。A. practice练习；B. exercises表示“体操”或“练习 (题)”时是可数名词，要用复数形式；C. training训练；D. sports运动。do morning exercises做早操。答案为B。