Collecting shells is his hobby为什么要用is而不是用are
问题描述:
Collecting shells is his hobby为什么要用is而不是用are
答
collect shells是做一件事,把它看为一个主体,如果后面有and+doing sth,就用are
Collecting shells is his hobby为什么要用is而不是用are
collect shells是做一件事,把它看为一个主体,如果后面有and+doing sth,就用are