—Could we go and visit the Summer Palace?
—Yes， .This should be on our list of things to do in Beijing.
A. a pleasure
B. it depends
C. don't mention it
D. by all means
网友回答
A. a pleasure
B. it depends
C. don't mention it
(答案→)D. by all means
解析： 考查交际用语。by all means在句中意为”当然可以”。——我们可以去参观颐和园吗？——好的，当然可以，这应当是我们在北京要做的事情之一。