摘要： ---------Why! I get you on the phone. ----------We basketball on the playground when you phoned. A. didn’t; must be playing B. couldn’t; must be playing C. couldn’t; must have played D. didn’t; must have been playing
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— Why! I _____ get you on the phone.
— We ______ basketball on the playground when you phoned.
A. didn't; must be playing
B. couldn't; must be playing
C. couldn't; must have played
D. didn't; must have been playing
查看习题详情和答案>>--- Why! I ________ get you on the phone.
--- We ________ basketball on the playground when you phoned.
- A.didn't; must be playing
- B.couldn't; must be playing
- C.couldn't; must have played
- D.didn't; must have been playing
30. —Why! I ____ get you on the phone.
— We ______ basketball on the playground when you phoned.
A. didn’t; must have been playing B. didn’t; must be playing
C. couldn’t; must have played D. couldn’t; must be playing
查看习题详情和答案>>