All the students are talking and laughing in the classroom and it’s _________.
________表示“联合国”
下列各组字母中含有相同读音的一组是 ____.
Help __________ to the cakes I made, my children.
--Laura didn’t join in their dancing last night , did she ?---________________, because she fell off her bike and hurt her legs
We didn’t find ______ in the picture. Would you please tell me?