What we need ____good books.
What we need ____good books.
what we need most are/is books?
What we need _________(be)books
What we need ___(be) good books怎么填
what we need most are books谓语动词为什么用复数呢?
What we need is/are books 应该填哪个啊 大家好像众说纷纭
what do we need?
what we need+什么
what we need____ good books
what we need和what do we need区别
What we need---more water
what we need is a