1) 主语和谓语必须在数上保证一致 例句: There is a small village below the mountain. 2) There be结构不但可以应用各种一般时态,还可以应用于完成时态中。所以,对There be结构的时态...
7. There is also a very different issue we should consider. 8. It seems inevitable that there will be more and more ways to monitor society in the future. 9. The figure ros...
1) must表示必须,否定回答时用needn’t. mustn’t表示不许可。 【例如】 you must get to the station before 3, otherwise you will miss the train.must i hand in my homework tomorrow? no, you needn’t. you can turn it in the day after tomorrow. you mustn...
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