Hoping he would not disturb his sleeping father, Bob stole in, ____ and waited for him to wake up
There seems to be something wrong with Tom. It is not _________ of him to be so critical.
There is no doubt _________ Qu Yuan has become an everlasting monument in the history of Chinese literature.
Mr Smith is _________ success as a businessman ; he takes _________ possession of several big companies.
—Shall I stay here or play basketball with my friends?——__________________.
It is a common theme in many fiction stories that the world may one day be _________ by insects.