摘要： It was in 1969 the American astronaut succeeded in landing on the moon. A. that B. which C. when D. in which
网址：http://m.1010jiajiao.com/timu3_id_2940901[举报]
It was in 1969 __________ the American astronaut succeeded in landing on the moon.
A. that B. which C. when D. in which
It was in 1969 ___ the American astronaut succeeded in landing on the moon.
A that B which C in which D when