The nurse whose name is Mary assisted me ______ the operation they day before yesterday.
You don’t have to ______every little incident in your life.
--Why are they _____ the forest? --They are _____ a thief.
Facing the enemies, Liu Hulan ______ .
They insisted that he _____ present at the ceremony the next week.
--Did Peter repair his bike? --He _______, because he could’t do that himself.