b) \(KMnO_4\rightarrow B\rightarrow C\rightarrow D\rightarrow E\rightarrow H_2O\). Ghi rõ B, C, D, E là gì.

Chú ý: B, C, D, E là các chất riêng biệt

a) \(A\rightarrow B\rightarrow C\rightarrow D\rightarrow Cu\)

1/"How was the journey?"

\(\rightarrow\) She asked him

2/"What were you doing when I saw you"

\(\rightarrow\) He asked me 

3/"Make this shirt for me please"

\(\rightarrow\) She asked Mrs.Hoa

4) thêm he said đầu câu nhé

1) He said that he couldn't help me.

2) He said it might rain that night.

3) He said they has had rice for breakfast that day.

4) He would do his project that night.

5) He said he wanted to buy that house for his mother.