问题
选择题
—Oh, you have a headache and a cough.______ have you been like this?
—Two days.[ ]
A. How many
B. How long
C. How often
答案
答案:B
—Oh, you have a headache and a cough.______ have you been like this?
—Two days.[ ]
A. How many
B. How long
C. How often
答案:B