问题
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
B:the; the
C:a;不填
D:a; the
正确答案是：
同类题型
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