如果是四空,则答案为：are in need of
如果是两空,则答案为：call for
如果是三空,则答案为：are lacking in 或 are short of
如果你满意我的答案,敬请点击页面中的“选为满意回答”按钮,How dangerous it is when you drive carelessly!(改为同义句）____ __________there is when you drive carelessly!What a danger