1. water,/ go on/we/If /wasting /a shortage of/there will be/ water/fresh/in/decades./a few
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2. very/tired/Na/is. However,/ has to /she /her/finish/homework/she/before/goes to bed./
If we go on wasting water, there will be a shortage of fresh water in a few decades
Na is very tired. However, she has to finish her homework before goes to bed