问题
选择题
—______ are the animals sleeping in the cages every day?
—It's about ten hours. [ ]
A. How often
B. How long
C. How soon
D. How many
答案
答案:B
—______ are the animals sleeping in the cages every day?
—It's about ten hours. [ ]
A. How often
B. How long
C. How soon
D. How many
答案:B