第2个回答 2011-10-14
In recent years, with the development of China's economy, China and the United States in cultural exchanges began to come to a new level, hope that through this cultural exchange, for our discipline construction to provide more opportunities for development
第3个回答 2011-10-14
kxkOn Friday ,I went to your office to hand in the homework that I did not pass, but you were not there.
补充解释:你那三个句子都有问题,第1句,把on Friday 放在后面,就变成了那个作业时星期五没通过的,可实际上你是想说你星期五去交的,这样会让人误解。第3句也是一样的道理,至于第2句,there前面是不能加介词的,而in是介词,故不行。jqk97