1some students ran back to the dormitory,magazines [held] under their arms .2the 29th Olympic Game

问题描述:

1some students ran back to the dormitory,magazines [held] under their arms .2the 29th Olympic Game
1some students ran back to the dormitory,magazines [held] under their arms .
2the 29th Olympic Game,[held]in Beijing in 2008 was a great success.为什么不用whicl held
3 in England ,tea [is served] with milk and sugar.第一题和第三题 比较 为什么第一题不用 are held?

1.some students ran back to the dormitory已经是一个完整的结构,主谓宾都有了,后面是逗号,说明后面的成分也是这个句子的一部分,在没有连词的情况下,一个句子不能有两个谓语,所以不能用are held.省略了are是因为后...