题目内容
【题目】I don't want him to help me because he (prepare) for his exams.
【答案】is preparing
【解析】句意：因为他在准备考试，我不想让他帮我。prepare动词，准备；根据语境可知是正在进行的动作，所以用现在进行时态。故应填写is preparing。
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题目内容
【题目】I don't want him to help me because he (prepare) for his exams.
【答案】is preparing
【解析】句意：因为他在准备考试，我不想让他帮我。prepare动词，准备；根据语境可知是正在进行的动作，所以用现在进行时态。故应填写is preparing。