It is very good for students to do __________

试题详情及答案解析

It is very good for students to do ___________ in the morning.

A．eye exercise	B．eyes exercises
C．morning exercise	D．morning exercises

答案：D

试题分析：句意：在早上做操对学生有好处。morning exercises早操，所以选D。
考点：考查名词短语。