He insisted that he from heart trouble, but I didn't think so.[ ]A. should suffer B. has suffer
A. should suffer B. has suffered C. suffers D. was suffering
题目简介
He insisted that he from heart trouble, but I didn't think so.[ ]A. should suffer B. has suffer
题目详情
A. should suffer
B. has suffered
C. suffers
D. was suffering
答案