【单选题】This is the reason ___ he gave me.
【单选题】______this, he gave a big smile.
【单选题】This is the present he gave me for my birthday.
【简答题】文艺复兴早期湿壁画《犹大之吻》作者为 。
【单选题】By the age of nine he was skilled in playing the piano, and at this age he gave his first public ______.
【简答题】绘制直方图使用plt.______()函数
【单选题】This is___umbrella he gave me last week.