The professor didn’t have time enough to go into it ___________, but he promised to discuss it with us at the office hour.
A. at a glance B. at hand C. in turn D. at length正确答案D
The professor didn’t have time enough to go into it ___________, but he promised to discuss it with us at the office hour.
A. at a glance B. at hand C. in turn D. at length正确答案D
