Tom and his sister ______ to the barbecue last Saturday.They were very happy.
A:have invited
B:were invited
C:were inviting
D:invited
下图为世界某种农作物四大主产区分布示意图。读图完成问题。
在反对民族分裂和维护祖国统一过程中,发生在清代的史实按先后顺序排列正确的是( )
①平定阿睦尔撒纳叛乱 ②册封渥巴锡为“卓里克图汗”
③设置伊犁将军 ④在新疆建省