问题

I really don’t know how to thank you enough. — _____.

A:No problem
B:Think nothing of it
C:Not at all
D:It doesn’t matter

正确答案是：

同类题型

Trees on the hills can stop the rains from awaythe soil.

This old computer must have been of great use to _______ did the scientific research

ne coming tomorrow —_____.If she were to come, she would have called me.

. Reading this instructive book, ___________ .

They must have been enjoying themselves there, or they _____ so long. [ ]