1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

Which do you think is ________, health or wealth？

Either he or I ______to the airport.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

东晋杰出的画家,理论家顾恺之画论著作有三篇:《魏晋胜流画赞》、______、《画云台 山记》,这是中国最早的专门画论。( )

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

Hurry up, or you ______ catch the train.

明代画家____被称为“大写意”（画家）。

明代画家____被称为“大写意”画家。

明代画家____被称为“大写意”画家。