Question

【题目】选择合适的Be动词补充短文。
is are
This our school. There a big playground in our school. There a library. There many books in it. There two computer rooms. We play computer games there. There thirty classrooms and six teachers' offices. Look! Our teacher is writing. She is busy now.

Answer 1

【答案】is；is；is；are；are；are
【解析】is 和are是be动词的两种变化形式。一般时态有关be动词的口诀：我用am，你用are，is连着他她它，单数主语用is，复数主语全用are。
①our school是单数名词，应当选用be动词中的is。
②a big playground是单数名词，应当选用be动词中的is。
③a library是单数名词，应当选用be动词中的is。
④books是复数名词，应当选用be动词中的are。
⑤two computer rooms是复数名词，应当选用be动词中的are。
⑥thirty classrooms是复数名词，应当选用be动词中的are。