高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
If you will send us a catalogue by air, we shall _ _ _ _ _ very much.
A.be grateful
B.thank
C.be indebted
D.appreciate it
If you will send us a catalogue by air, we shall _ _ _ _ _ very much.
A.be grateful
B.thank
C.be indebted
D.appreciate it
参考答案：
佳题速递：