1 .The girls are singing (对 singing 提问 )(改一般疑问句)
1 .The girls are singing (对 singing 提问 )(改一般疑问句)
2.These are Jim's books (对 Jim's 提问 )(改一般疑问句)
3.There is some milk in the glass (对 some milk 提问 )(改一般疑问句)
4.There are twelve months in a year
(对 twelve 提问 )(改一般疑问句)