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
A
考查情态动词的用法。句意：既然他们不听我的，我怎么能帮助他们理解呢？此处can表能力。
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How ________ I help them to understand when they don’t listen?
| A．must | B．dare | C．can | D．may |