he made a promise that he would come back on time
i have no idea that where i should go
the fact that there is no life on the moon is known to all
there is no doubt that he is a kind man
我是精锐教育的一名英语老师，希望我的回答能够帮助到你！！！
Recently,scientists have found a group of genetic codes related to myopia ,and myopia is the most common disease in the world now.
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024