问题

It was 1969___ the American astronautssucceeded in landing on the moon.

A:was decorated
B:when
C:on which
D: which

正确答案是：

同类题型

How is he now? Is he slowly ____?

Don’t be late next time!—_______

I bought a tie for Dad on Father’s Dayyesterday.—.

I’m always ________ about what I say becausecareless remarks are likely to hurt others’ feelings

____________ —It’s Thursday November 4th .