the speech must be very exciting.the student are c____ their hand_英语解答

the speech must be very exciting.the student are c____ their hands once again.
have been to 与have gone to 的区别
Miss Li taught math at his school ______(in/on/from/since)July ,1992
last summer ,we had a fantastic time _____(sail) in Qingdao
he _____(not draw)at that moment

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解答

clapping鼓掌
have been to曾经去过某地,现在已经回来了.
have gone to到某地去了,人不在说话地点或是已经在路上了.
in用于大的时间（年代、月份以及一周）.
on用来专指某一天（含星期一到星期日）.
from从某一个时间点起
since自从.以来,用于完成时态.
这里是July,1992,有月份和年代,用in.
有个句型是have a ...time doing sth,做某事过得.
答案是sailing.
最后一题有at that moment=then,用过去进行时,答案是was drawing.
同学?