didn't doesn't don't 怎么用
didn't doesn't don't 怎么用
用“do,does,did,don’t,doesn’t,didn’t”填空.
don`t和doesn`t与can`t怎么分辨?
还有,如果是你不.应该用didn't don't doesn't?我好混乱阿,有没有第三人称复数,有的话应该怎么用did
isn't,doesn't,don't分别用在哪里?怎么用?求救!
doesn't come与didn't come
does和doesn't和did和didn't分别怎么用?用于什么?
DOESN"和DON"T怎么在否定句用
I't doesn't matter怎么用
英文mustn't,don't have to,doesn't have to,didn't have to有什么区别
用am not,aren't,isn't,can't,don't,doesn't填空
wasn't 和didn't怎么用