1) chuck a) throw out b) very easy 2) lame a) bad ,inadequate b) leave 3) help me out a) do me a favor b) Really 4) keep it to yourself a) not tell anyone b) in a difficult situation 5) to work together well a) cooperate b) entail c) status 6) to be grateful for a) appreciate b) income 7) zoologist a) b) 8) engineer a) b) c)

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