题目内容
15．We like playing computer games at weekends．（ ）| A． | on Monday | B． | on Friday | ||
| C． | on Saturday and Sunday |
分析 句意：在周末我们喜欢玩电子游戏．
解答 答案：C weekend周末，即周六Saturday和周日Sunday，表示具体的某天用介词on，故答案为C．A在周一；B在周五．
点评 at weekends相当于on Saturday and Sunday，要注意同义短语的替换．
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