问题
选择题
--Is Jim at school today? -- No, he's at home ______ he has a bad cold.
A．because
B．if
C．though
D．until
答案
答案：A
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--Is Jim at school today? -- No, he's at home ______ he has a bad cold.
A．because
B．if
C．though
D．until
答案：A