题目内容
7．-Is everyone here today？-No．Tom is at home he has got a bad cold．（ ）
| A． | because | B． | if | C． | until | D． | unless |
分析 -今天大家都到了吗？
-没有．汤姆因为得了重感冒在家里了．
解答 答案：A．选项A是"因为"；B是"如果，是否"；C是"直到…才…"；D是"除非…"；根据题干…Tom is at home he has got a bad cold可知是因为汤姆得了重感冒，才没到校；故选A．
点评 对于本题所展示的情景，在解题中认真理解，联系上下句，用所学的概念、观点前后呼应，选出正确的答案．
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