I think they did not have fun on their day off 再问： i---- ----- they------on their day off 再答： 是一个复合句简单句：一个句子只有【一个】主谓结构，无论长短。如 I love you. 复合句：一个句子包含两个或两个以上主谓结构。如 I love you and you love me. (并列复合句） I love what you are. （主从复合句） 再问： I—————— ————————they——————————on their day off 这种形式填空 再答： I didn't think they have fun on their day off 再问： they后只有一个空 再答： 一个空没法填吧 一个空得把单词换了I didn't think they enjoyed on their day off
