They saw how the space shuttle took off in space and later landed on earth _______.
问题描述：
They saw how the space shuttle took off in space and later landed on earth _______.
A.already
B.too
C.again
D.badly
答案为什么是again?不是再一次啊.A应该可以吧.
答
took off （take off）不只可以解释为"起飞",还有加速的意思.again 应理解为“重新”,太空梭穿越大气层,“重新” 降落在地球（表面）；这个说法很合理啊要注意 later 这个词,所以 already 跟语义无法衔接.整句话意思...