_______ many times, he finally understood it．
A．Taught B．Teaching C．Having taught D．Having been taught
高三英语单项填空简单题
_______ many times, he finally understood it．
A．Taught B．Teaching C．Having taught D．Having been taught
高三英语单项填空简单题查看答案及解析
______ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
高三英语单项填空困难题查看答案及解析
______ many times, he finally understood it.
A．Told B．Telling C．Having told D．Having been told
高三英语单项填空中等难度题查看答案及解析
_________many times, he finally understood it.
A. Told B. Telling
C. Having been told D. Having told
高三英语单项填空中等难度题查看答案及解析
________ many times, he finally understood it.
A. Told B. Telling C. Having told D. Having been told
高三英语单项填空中等难度题查看答案及解析
________ many times, he finally understood it．
A．Told B．Telling C．Having told D．Having been told
19．
高三英语单项填空简单题查看答案及解析
Pratt failed many times but he finally ____ to find a successful way to solve the problem.
A．broke out B．broke up C．broke down D．broke through
高三英语单项填空简单题查看答案及解析
. Dr. Frank failed many times but he finally _______ to find a successful way to solve the problem.
A. broke off B. broke out C. broke down D. broke through
高三英语单项填空简单题查看答案及解析
Dr. Frank failed many times but he finally _____ to find a successful way to solve the problem.
A. broke off B. broke up C. broke down D. broke through
高三英语单项填空简单题查看答案及解析
. _____ the book four times, I finally understood the author's theory.
| A．Reading | B．Having read | C．To read | D．Read |
高三英语单项填空简单题查看答案及解析