do did does doing 的区别
do did does doing 的区别
did does do的区别
do,doing,does的用法和区别,
do 和did 和does 的区别
英语 Do Did Does 的区别
用do,does,doing,did填空.
do、does、did与be动词的用法区别.
模仿下列词写出下列动词的变化形式 do-doing-does-did-done(英语)
写出下列动词的三种形式 do----does----doing----did
写出下列动词的三种形式:do--does---doing---did
1.仿照例子,写出动词的形式.Model:do doing does did (1)be
do,does,did的用法,