be going to结构综合运用 — 英语词汇题

选择正确的词补全句子，将序号填在括号里。 ( ) 1. We ______ going to have a picnic tomorrow. A. is B. am C. are ( ) 2. Look at the clouds! It ______ going to rain. A. is B. am C. are ( ) 3. Sam and I ______ going to play football after school. A. is B. are C. am