根据句子意思,用括号中所给词的正确形式填空,每空填一词。
Seven ____ (twelve) of the students have taken part in the tree-planting activity since Monday.
下图中说法正确的是( )
- How many socks are there in eleven pairs? ( )
- _______
下列关于选文内容的理解,不正确的一项是( )