—Sorry, Frank. I'm too busy today. I'm a
题型:选择题
问题:
—Sorry, Frank. I'm too busy today. I'm afraid I can't go swimming with you.
—__________. [ ]
A. No problem
B. You're welcome
C. Thank you
D. Never mind
—Sorry, Frank. I'm too busy today. I'm afraid I can't go swimming with you.
—__________. [ ]
A. No problem
B. You're welcome
C. Thank you
D. Never mind