中国大学MOOC: He lifted the heavy weight, but it was the greatest _________ he had ever made.
举一反三
- 中国大学MOOC: He built a pair of wings of a size suitable to _______ his own weight, and made use of gravity as his motor.
- 中国大学MOOC:"He said if he had time, he to the cinema that night.";
- He was afraid he had made amistake.
- Only when he had done it that he had made a mistake.
- 中国大学MOOC: When he first came to China, he was ______. But later, he made a lot of friends because he is ______.