Viết lại câu
1. Between 2000 and 2012, natural disasters caused $1.7 trillion in damage.
->............................................(was)
2.Our seas aro seriously polluted. Fish and other marine creatures die everyday.
-> ...............................................(if)
Viết lại câu
1. Between 2000 and 2012, natural disasters caused $1.7 trillion in damage.
->......................$1.7 trillion in damage was caused by natural disasters between 2000 and 2012......................(was)
2.Our seas aro seriously polluted. Fish and other marine creatures die everyday.
-> .....................If our seas are seriously polluted, fish and other marine creatures will die everyday..........................(if)