.—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.
A.enough B.too C.so D.very
解析:
答案解析: can / could not...too或“cannot/can never be too...”是一个固定搭配,表示“无论怎样也不过分;越……越好”或“再……也不过分”;此句话的汉语意思是:-做完饭后一定要把煤气关掉吗?-当然,你越小心越好。选B。
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