A helicopter is able to ____ and land straight up and down.
_____, everyone present was amused by his adventure story in Africa.
_____ they are fit, I see no reason why they shouldn't go on playing basketball for another four or five years.
It was not until dark ______ he found ______ he thought was the correct way to solve the problem.
What a great weight she felt ________ off her mind the moment she heard she had passed the College Entrance Examination!
– What a terrible collision accident! – Judging from the scene, personally, it is one or two car drivers, rather than the truck driver, who _____.