so far ,the students ___ asked to work hard at least 5 times.为什么用have been?

So far many students ______(volunteer) to do some work for the show. The happyness is so FAR so far ,the students ___ asked to work hard at least 5 times.为什么用have been? The robber _____(not find) so far. 求首歌,the redland的so far. so far so far The students from poor families don't have to pay for school _________ 写清原因any more no more so far no longer （So far so good!No kidding!All the best.） The distance between us,is not so far.The distance between us,is not so far. are,excited,students,the,so (.) 连词句 So the students are excited The students are so excitedare,excited,students,the,so (.) 连词句可以连成以下两句吗So the students are excitedThe students are so excited So far,far from the man,so I don't believe it英语不好 So the students stay ____home _____ Saturday? so far so So far So So far so So Far,So So far so good