在横线上填入合适的介词。
（1）I send the Christmas cards my friends.
（2）We buy presents our family.
（3）They put the presents the Christmas tree.
（4）People have a big lunch Christmas Day.
（6）I play the piano four o’clock the afternoon.
相关试题
Find the words and match.（读单词，配图片） 10%
ruler( ) book( ) nose ( ) school( ) bread( )
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