The joke told by Tom made us , so our maths teacher couldn’t make himself .
A. laugh; hearing
B. laugh; heard
C. laughing; hear
D. laughed; to be heard
网友回答
A. laugh; hearing
(答案→)B. laugh; heard
C. laughing; hear
D. laughed; to be heard
解析：前一个made是一个使役动词，后接不带to的不定式作宾补。后面的make oneself heard为一习惯用法，意为“使(别人)听到自己的话”，故答案为B。