题目内容
—Tom must be at home because the light in his house is on.
—He ____ be at home, because I saw him playing basketball on the playground.
A. must B. can’t C. mustn’t
B
解析
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题目内容
—Tom must be at home because the light in his house is on.
—He ____ be at home, because I saw him playing basketball on the playground.
A. must B. can’t C. mustn’t
B
解析