___from space, the earth looks like a blue ball A seeing B seen C to see D see

___from space, the earth looks like a blue ball A seeing B seen C to see D see

题目
___from space, the earth looks like a blue ball A seeing B seen C to see D see
There are three days__before the task is finished
A leave
B to leave
C keft
D leaving
谁帮知道,速度呀.考试中、、、、
答案
B
C
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