7. Was it in 2012 when your teacher graduated from university?      

6. Tom's mother kept telling him that he should work harder,buthe didn't help.      

5. Does that matter if he can't finish the job on time?      

4. I don't think this possible to master a foreign language without much memory work.          

3. Was it during the Second World War while he died?      

2. It was that he said at the meeting that disappointed me.      

1. It was for this reason which her uncle moved out of New York.       

5. The weak baby is becoming stronger and stronger,which makes his        parents¹ happy. 

―           the weak baby is becoming stronger and stronger.

4. He has made up his mind. You needn't try to persuade him.

 ―             for you to try to persuade him.

3. Since you have spilt your milk,crying over it is useless.

  ―           crying over spilt milk.