Don’t be angry with us. We with you together, but we were busy with our final reports when you called in.
A. would eat out
B. could have eaten out
C. should eat out
D. must have eaten out
网友回答
A. would eat out
(答案→)B. could have eaten out
C. should eat out
D. must have eaten out
解析：
试题分析: 考查情态动词用法。从we were busy with our final reports when you called in.可知此处是对过去事情的假设，所以应该用“情态动词+have done”，故B选项正确。句意：别生我们的气。我们本来能够和你一起外出吃饭的，但是当你打电话的时候我们正忙着做我们的终期报告。