单项选择题
I could see that my wife was ________ having that fur coat, whether I approved of it or not.
单项选择题 His argument does not suggest that mankind can ________ to be wasteful in the utilization of these resources.
单项选择题 Your father likes to play golf; he's really enthusiastic ________ it.
单项选择题 The tour of our country by the foreign visitors ________ on the workings of democracy.
