问题
选择题
—Can I have this seat?
—Sorry, I'm _____ you can't. It's our teacher's.[ ]
A. think
B. thinking
C. know
D. afraid
答案
答案:D
—Can I have this seat?
—Sorry, I'm _____ you can't. It's our teacher's.[ ]
A. think
B. thinking
C. know
D. afraid
答案:D