li hua's new works have just been published .为什么用have而不用has
Chairman Mao' s works ____ published.A.has been B.have been
句型转换I have been to the USA.Li Hua has been to the USA,too.(合
I have been busy yesterday afternoon为什么要用have been busy而不用ha
all that can be done has been done 为什么要用has,不用have
Has your pen been found?(开头为什么不用Have)
Do she have ···?为什么she后面不用has,而用have?
Did he have a key?这里的he是第三人称,为什么不用has而用have?
mr black and mrs black have a son called tom.为什么用have而不用has
it may have begun already.这里为什么不用has而用have
为什么这里第三人称用have不用has
she has beautiful long hair.为什么用has而不用have
what has happened 中为什么要用has 而不用have