I'll manage to help my mother do the housework, she is very busy

1.I'll manage to help  my mother do the housework , she is very busy
=> She said
2. he comes to the meeting late because the traffic  is so bad 
=>He wouldn't
3. they did nothing until they  got the chef's command
=> Nothing
4. if we work hard , we will get much money 
=>The  harder
5. the only way you can become a good student is by studying hard every day 
=> Only by
Mik cần gấp ,cảm ơn trc ạ