Mary is very late, she ______.
Nowhere else along the coast _______ so far from land.
Knowing how to think clearly and how to speak correctly ________ one confidence.
The visitors stood at the top of the mountain ________ east of the city, watching ______ burning sun rising.
_______ an important decision more on emotion(情感)than on reason, you will regret it sooner or later.
When deeply lost in thought, _______ he often was, he would forget all about eating or sleeping.