问题
选择题
Bob’s lectures ________ a fairly wide range and I can’t sum up what he says in a few sentences.
A．covered
B．conveyed
C．considered
D．commanded
答案
答案：A
解析 根据“I can’t sum up what he says in a few sentences”可知，这些报告覆盖面很广。cover涵盖，涉及，符合题意。