I sometimes help my mom with her housework____________ Saturdays.A．at B．inC．on D
题型：不详难度：来源：
| I sometimes help my mom with her housework____________ Saturdays. |
答案
| C |
解析
试题分析：在表示时间时，at表示在时间的一点；on 表示在具体某一天； in表示在一个时间范围，或者接一段时间，表示多久之后；to表示差几分到几点。句意：在周六，我有时帮助我的母亲做家务。根据下文Saturdays，可知本句中表示在具体某一天，故用介词on。选C。 |
举一反三
It"s kind _ you _ help me with my English.| A．of; to | B．for; to | | C．of; for | D．to; to |
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