To their disappointment, Dr Wang gave a
题型：选择题
问题：
To their disappointment, Dr Wang gave a speech about the economy without even a passing ________
to the problem of unemployment. [ ]
A. connection
B. appointment
C. reference
D. exploration
To their disappointment, Dr Wang gave a speech about the economy without even a passing ________
to the problem of unemployment. [ ]
A. connection
B. appointment
C. reference
D. exploration