On April 12, 1961，_____27—year—old Yuri Gagarin(尤里

题目：

On April 12, 1961，_____27—year—old Yuri Gagarin(尤里.加加林)became the first human to go into_____ space.

A、the;不填

B、the; the

C、a;不填

D、a; the

【答案解析】显示答案解析

这里显示答案和解析