问题
I have a big dream — I want to go into space, _______ will take some time to realize, I guess.
A:what
B:it
C:which
D:where
B:it
C:which
D:where
正确答案是：
同类题型
It was in the very house _____ was built with stones _____ he spent his childhood.
Our teacher ______ English for Class Two the day before yesterday.
When did your school hold the sports meet—Last week. And I _______ the girls’ 400-metre race.
_____will be good for you to spend one hour exercising outdoors every day.[ ]