it helps many people remember which months of the year have 30 days

问题描述:

it helps many people remember which months of the year have 30 days
1.which months of the year have 30 days担当宾语补语remember的宾语从句?理由……
2.which months of the year是宾语从句的主语?

1.which months of the year have 30 days做宾语从句
2.which months of the year是宾语从句的主语
理解正确!一百分!