has,he,help,to,his,with,sister,her,math
has,he,help,to,his,with,sister,her,math
He must try to help his sister with her math?为什么try不加s
He always help his classmate with Math.
MY sister needs TO help(with)her math.为什么中间只有一个with.不是help S
he has been going Alice with her math in his office since 9
the studen has to help his feiends with math变为否定句
He ( ) London with his sister.A.has been to B.has gone to C.
She often teaches her sister ___ math.(to for with)
he has to (help his sister study english)?对大括号的提问
用has,to,he,his,make,help,the,sister,bed组成完整的句子并翻译.
has,to,he,his,make,help,the,sister,bed,连接成一句话
He asked her to help him with his English, which she did. 为什