The time Dr. Wang has devoted _____ the disabled in the past five years is now considered_____of great value.
Twenty of the students will have sports, the rest ___ studying here
He is a strict but kind-hearted father, ____ the children respect but are afraid of.
She ______ behind the door in order not to be found. Two minutes later she was safe again.
— How do you find your English teacher? — She is always full of _____ as though she never knew tiredness.
_____ people who buy IBM PC686 is larger than ever before.