Where's Mike?He is working _____ physics A in;problem B out;problem C in;problems D on;problems
人气:286 ℃ 时间:2020-03-26 03:25:55
解答
选D,Mike正在做物理题目,work out指的是结果,表示做出来了与现在进行时不符,work on则表示正在做物理题目与现在进行时相符.其他选择显而易见一定不对的
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