试题:
根据句意和汉语注释,在相应的横线上,写出单词的正确形式。 小题1:It is not polite to laugh at others’ ________ (缺点), boys and girls. 小题2:It is ________ (确信的) that the government will take action to prevent the environment getting worse. 小题3:Last spring, the viruses ________ (扩散) all of the town in a very short time. 小题4:The scientists are devoting themselves to ________ (开发) plants that can grow on Mars. |
答案:
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