Though tigers are ______ to people, they are ______ now and we should protect them or they will die out.
Much disappointed as he is _______ in the job interview, he still keeps his confidence.
____ awake, he finished a cup of coffee and ordered another.
--_____ us a definite answer can’t solve the problem. --I agree with you. Someone must have a talk with him.
He is a man of few words, and seldom speaks until _______ to.
Having a trip abroad is certainly good for the old couple, but it remains ______whether they will enjoy it.