试题详情
根据句意，从所给词组中挑选合适的一项并用其正确形式完成句子，其中有两个选项为多余选项
break down; by contrast; subscribe to;participate in; in charge of; engage in; in turn |
知识点
参考答案
采纳过本试题的试卷
break down; by contrast; subscribe to;participate in; in charge of; engage in; in turn |