【题目】选择合适的单词将句子补充完整。
【1】Mother’s Day is on the _______ (two / second) Sunday in May.
【2】There are _______ (three / third) boys in the room.
【3】I see _______ (five / fifth) kites in the sky.
【4】I go to school at _______ (seven / seventh) in the morning.
【答案】
【1】second
【2】three
【3】five
【4】seven
【解析】
略
