问题
When the hero was _______, he was killed by his enemy.—What a pity. [ ]
A: in his fifty
B: on his fifty
C: on his fifties
D:in his fifties
B: on his fifty
C: on his fifties
D:in his fifties
正确答案是：
同类题型
Taiwan is a part of China, and it’s ______ the southeast of our country. [ ]
I __ a notebook. Please bring one to me.
This is the house _________ the great man Mao Zedong was born
Would you like something ______? —Yes. Some water , please .
_____ does he do sports every day? He does sports for two hours every day. [ ]