题目内容
3. He's watching TV? He's to be doing his homework.
A. known B. supposed
C. regarded D. considered
3. B be supposed to do sth.意为"本应做某事"。
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题目内容
3. He's watching TV? He's to be doing his homework.
A. known B. supposed
C. regarded D. considered
3. B be supposed to do sth.意为"本应做某事"。