The patient insisted that he _______ ill and _______ to the hospital.
You may not understand what they have done, because they ____ a younger generation.
Misunderstanding may ______ if people fail to communicate with each other.
My friend Martin was seriously affected by a strange fever; _____ , he could neither eat nor sleep.
Yao Ming, who ______ the Houston Rockets, is working hard to make his dream come true.
Much attention should be paid _______ the wild animals as many of them are dying out.