It________(be)the dieters who want to lose weight fast.
问题描述：
It________(be)the dieters who want to lose weight fast.
答
is
答
is！强调句，另外注意：强调句的引导词只有who和that两个！
答
填is 主语是 it .不要受后面dieters复数的影响
答
强调句型， it's xxx who/that