【小题1】把我们的失败归罪在他头上是没用的。 It's no use______________ our defeat ______________ him. 【小题2】二氧化碳由碳和氧组成。 Carbon dioxide ______________ _________ carbon and oxygen. 【小题3】如果想赶上别人，就全神贯注于学习。 ______________ _________ your study if you want to catch up with others。 【小题4】他不仅写歌词而且谱曲。 Not only ______________ he _________ the words to the song, but also he composes the music. 【小题5】任何教师都不能允许考试作弊。 No teacher can ______________ _________ cheating in exams.
