giúp mình với ạ( thêm chữ vào thôi ạ) mình cần gấp ạ:((((

1.      Bob/ stay/ home/ yesterday/ because/ he/ a lot/ homework/ do.

2.       He/ be/ good driver/ he/ often/ drive/ his car/ careful.

3.      He/ always/ do/ well/ school/ although/ he/ have to/ work/ hard/ support/ family.

4.      Last week, Tom/ spend/ most/ time/ take care/ his ill child.

5.      Our teacher /always/ encourage/ us/ practice/ English language skills/ daily.

6.      They/ ask/ children/ stay/ home/ when/ it/ rain/ heavy/ yesterday/

       7.Although/ she/ serious/ ill/ she/ always/ keep/ her/ spirit/ positive