He doesn't know how he_____improve his English. A.must B.has to C.can D.maybe

He doesn't know how he can get it.改为同义句 He doesn't know how ( ) ( ) it. he doesn't know how to do next（改错） he doesn't know how he can get it(改为同义句) he doesn't know how______ ______it He doesn't know how he can get there?(同意句）He doesn't know ______ _______ _______ there. He doesn't know how he can get it.怎么做同义句转换 He doesn't know how he can get it .同义句 （化为简单句） He really doesn't know how he can operate the machine. He doesn't know how he can get to the shop.改为简单句.He doesn't know ( ) ( ) get to the shop. jack's grandfather doesn't know how he should use a computerJack's grandfather doesn't know how __ __ a computer He doesn't know how to get the train station .这句话哪儿错 中文翻译:When he doesn't know how to do his homework. He doesn’t know how to get to the cinema.(改为同义句) know,how,the,memorize,doesn't,he,to,words.连词成句 He doesn't know ---A what to do B how to do 选那个,为什么,理由 He doesn't know how to look after the dog同义句 use, how,he,Internet,the,doesn't,to,know 连词成句 Jim doesn't know how he can swim同义句怎么改 He [ ](real) doesn't know how to look after a dog.写出为什么