选择并改错.At birthday parties,we always sing (Happy Birthday to You).It is (very good song).

问题描述:

选择并改错.At birthday parties,we always sing (Happy Birthday to You).It is (very good song).
第一个括号中的是A,第二个括号中的是B,哪个错了?怎样改正?

B 错了,改为 a very good song .(song 是可数名词,单数前必须加冠词.)