His instructions were too difficult to understand, so he had to ______ them.
举一反三
- His English was so poor that he found it difficult to make himself ______.(2.2) A: e understood B: understand C: understood D: to understand
- They were so behaved in the debate that we find it difficult not to admire them.
- When the captain knew he had been deceived, he（） A: told them not to do so again B: lost his temper C: made them work harder D: fired them
- The socks were too small and it was only by ________ them that he managed to get them on.
- The test was ______ difficult that she had problems finishing it on time. A: too B: as C: so