【题目】选用正确的介词完成句子。
in at on at
【1】We have summer holidays _____ July.
【2】We have May day _____ May 1st.
【3】I can go swimmin _____ summer.
【4】I will return to my motherland _____ March 1st, 2020.
【5】I have class _____ eight.
【答案】
【1】in
【2】on
【3】in
【4】on
【5】at
【解析】
略