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11 tháng 8 2021

1. Alex's electricity was cut. => A. off because she forgot to pay the bill

2. Wear a mask because these chemicals give => E. off fumes that can be harmful. 


3. I'm writing an essay and I need to find => C. out who discovered penicillin. 


4. I was pleased that our gamble came => F. off and the experiment was a success. 


5. Alchemists spent years trying to turn => B. metals such as lead into gold. 


6. Your teacher says you've really come => D. on in physics over last year. 

11 tháng 8 2021

mình cảm ơn á=3