题目内容
How I help them to understand when they won’t listen to me?
A．can B．would C．may D．must
【答案】
[解析]：答案：A考点：情态动词。根据句意选择：“可以（can）”
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How ________ I help them to understand when they don’t listen?
| A．must | B．dare | C．can | D．may |