题目内容
Mr Li has some trouble sleeping, so drinking a glass of milk before going to bed every night is his common ________.
| A.knowledge | B.experience | C.practice | D.duty |
C
解析
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题目内容
Mr Li has some trouble sleeping, so drinking a glass of milk before going to bed every night is his common ________.
| A.knowledge | B.experience | C.practice | D.duty |
C
解析