摘要：-What are you doing? -I a letter.
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—— What are you doing? —— I _____ a letter to my pen pal.
|
A．write |
B．am writing |
C．writes |
D．am write |
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—— What are you doing? —— I _____ a letter to my pen pal.
|
A．write |
B．am writing |
C．writes |
D．am write |
查看习题详情和答案>>
—— What are you doing? —— I _____ a letter to my pen pal.
| A．write | B．am writing | C．writes | D．am write |