She doesn't know how to do this ____

She doesn't know how to do this ____ She doesn't know what to do and where ____(meet) She doesn't know how to along with her classmates 11.she doesn’t know ____ to find the hospital. she doesn't know how to use the recorder.改为同义句she doesn't kn she doesn't know how to use the recorder.同义句：she doesn't kno he doesn't know how to do next（改错） She doesn't know what to say __ do. ____that she doesn't know what to do. she wants to record some songs ,but she doesn’t know how to she doesn't know --- this afternoonAwhat she can do it Bwhat Mary feally doesn't know __about it.A.what to do B.how to do