_ _Don’t too late or you will feel tired in class tomorrow. _ _I won’t Mom. Good night.

问题补充：

_ _Don’t too late, or you will feel tired in class tomorrow.

_ _I won’t, Mom. Good night.

A. wake up

B. get up

C. stand up

D. stay up

答案：

A. wake up

B. get up

C. stand up

(答案→)D. stay up

解析：本题后半句的含义是否则明天再课堂上你会感到困，故前半句的含义是不要熬夜熬得太晚，stay up表示熬夜的含义，故本题选D。