1) If you don't wear your life jacket you could _________. a) crack b) familiar c) vital d) drown e) endanger f) creature 2) Don't drive too fast or you'll _______ the lives of other motorists. a) crack b) familiar c) vital d) drown e) endanger f) creature 3) The walrus is a large marine ____________ with two large teeth. a) crack b) familiar c) vital d) drown e) endanger f) creature 4) The ice is thin. It will ___________ if you stand on it. a) crack b) familiar c) vital d) drown e) endanger f) creature 5) I don't know his name, but he looks __________. a) crack b) familiar c) vital d) drown e) endanger f) creature 6) It is ___________ we work together to fight climate change. a) crack b) familiar c) vital d) drown e) endanger f) creature

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