问题
选择题
_____ the doctor's advice, he would regain his health now. [ ]
A. If he followed
B. Had he followed
C. Did he follow
D. If he should follow
答案
答案：B
搜题请搜索小程序“爱下问搜题”
_____ the doctor's advice, he would regain his health now. [ ]
A. If he followed
B. Had he followed
C. Did he follow
D. If he should follow
答案：B
