问题
It was in 1969 ___ the Americanastronauts first succeeded in landing on the moon.
A:that
B:when
C:which
D:in which
B:when
C:which
D:in which
正确答案是：
同类题型
She can’t ______ having nothing to do
I would have come to your party yesterday but I _______too busy[ ]
Mr Smith never does any reading in theevening;____ .
Don’t throw plastic bags towards the animals in the zoo.
The film directed by Zhang Yimou is beyond praise and it has certainly ______ my expectations.[ ]