It has been a long time for human to mak
题型:选择题
问题:
It has been a long time for human to make _____ to reach the moon.
A.its easy
B.it’s possible
C.it truth
D.it possible
It has been a long time for human to make _____ to reach the moon.
A.its easy
B.it’s possible
C.it truth
D.it possible