Scientists are searching for planets that are similar to Earth because when resources are used up, we can resort to another planet. Whether it be to travel to live at a different planet or to collect resources from there, either option would be nice for a last resort. 
        
             
        
        
        
Heya here’s your answer 
1) He told me that he could help me
2) They said they would join us for lunch 
3) I told you that I was going to be late
4) The article said that the accident happened the day before
5) Our teacher had told us that she had lost our homework
        
             
        
        
        
D possibly I’m not completely sure
        
             
        
        
        
Answer:
She might teach him to act if he'd asked her
Explanation: