题目内容
-- ________ must I take the medicine?
-- Twice a day.
[ ]
|
A .How often |
B .How long |
|
C .What time |
D .How many times |
答案:A
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题目内容
-- ________ must I take the medicine?
-- Twice a day.
[ ]
|
A .How often |
B .How long |
|
C .What time |
D .How many times |