1. We can't bathe in this part of river because the water is too dirty 
=> ... 
=> ... 
2. We spend too much money on electricity because we have four air conditioners in our house 
=> ... 

=> ... 
3.I can't write to Linh because i don't have hẻ address

=> ... 

=> ... 
4. Dick often causes accidents because he drives carelessly 
=>... 

=> ... 
5. We can't give much help to the poor because we waste a lot money on unnecessary things 
=>... 

=> ... 
6. It's raining, so we can't have lunch in the garden 
=> ... 

=> ... 
7. My brother didn't leave the car keys, so I couldn't pick him up 
=> ... 

=> ... 
8. We didn't go because it rained 
=> ... 

=> ... 
9. We didn't go on holiday because we didn't have enough money 
=> ... 

=> ... 
10. Susan felt sick because she ate four cream cakes 
=> ...

=> ...

       Once you've finished answering, do the following easy math:

a)1 + 1 =............             b)2 x 2 =...........                c)3 - 3 =................                  d)15 : 5 =..................