— How is that, Jane?— I wonder ______ it takes to be a good teacher beyond patience and a great knowledge of students.
___ time, he’ll make a first-class tennis player.
We can see no clouds in the sky. Therefore, there’s no doubt ______ it will be fine tomorrow.
It was not until early this morning _______ my father came back from work, which surprised us.
An accident occurred,but to our ______,no one was hurt.
The happy smile on her face suggests that she _______ to the party tomorrow evening.