摘要： --Spacecraft “Discovery has failed in the course of launch. -- ? They have been preparing for the test. A. How come B. When C. How D. Why not
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---Spacecraft “Discovery” has failed in the course of launch.
----_______? They have been preparing for the test.
A. How come B. When C. How D. Why not
查看习题详情和答案>>--Spacecraft “Discovery” has failed in the course of launch.
----_______? They have been preparing for the test.
A. How come B. When C. How D. Why not
查看习题详情和答案>>---Spacecraft “Discovery” has failed in the course of launch.
----_______? They have been preparing for the test.
A. How come B. When C. How D. Why not
查看习题详情和答案>>