小六英文(超急)20點\./
Fill in the blanks with the correct from of the verbs.
I 1.________(become) overweight.
unless i 2._______(start)
3.___________(do)exercise!
I 4.___________(try)
5.______________(walk) home tomorrow.
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I am thankful to my PE teacher Mr Man. He has taught me how 6._____________(jump) higher. I am thankful to him for 7._____________(help) me 8.____________(win) the high jump competition. But i am soorry for 9.____________(break) his sunglasses!
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Dolphins 10.__________(become) extinct soon unless we 11.____________(stop) 12.______________ (pollute) the sea.