_________ many times, he couldn’t understand it.
举一反三
- 5.Though he had been told many times he couldn’t understand it.
- He speaks English ____ fast that I can’t understand it.
- I didn't understand at first why he couldn't pass the test, no matter _________ hard he had tried.
- ________________ (not know) the truth of the event, he couldn’t decide whether to attend it.
- Though he (fail) ________ many times, Paul didn’t lose heart.