问题
选择题
_____ eye exercises _____ good for your eyes. [ ]
A. Doing; are
B. Do; is
C. Do; are
D. Doing; is
答案
答案：D
搜题请搜索小程序“爱下问搜题”
_____ eye exercises _____ good for your eyes. [ ]
A. Doing; are
B. Do; is
C. Do; are
D. Doing; is
答案：D