Look at the group of people_____(play) in the sea 横线上为什么加playing 为什么加ing

look at the notice of this group, look at this group of girls__(dance) under the tree. Look at the group of people playing basketball. Look at the group of people.they''re playing basketball.连成一句 look at this group of people是一句话吗? Look at this group of people playing beach volley是什么意思 look at this group of boys going to s____ school Look at this group of peopie piaying beach volleyball. Some are t____ photos of the great buildings.Look at this group of people p___ beach volleyball.怎么写? Look at the group of people_____(play) in the sea 横线上为什么加playing 为什么加ing look at the diagram.It___something of home computers used by a group of young people.A:shows B:says C:writes D:gives选择哪 look at the face of the times There ___(be) many people on vacation.Some _____(take) photos.Others____(lie) on the beach.Look at this group of people __(play) beach volleyball. Look-at-this-group-of-people-playing-on-the-beach.语法有误吧?be呢?不过这是教科书上的, Look at this group of people beach volleyball翻译成汉语 Look at this group of people playing beach volleyball.为什么play要加ing? look at this group of people playing beach volleyball的结构分析 Look at this group of people playing beach volleyball是什么句