If I were in a movie, then it would be about time that I______ my head in my hands for a cry.

Either he or I ______to the airport.

I'm equally _________about every school record that I have broken.

—Do you learn Russian or French?—I learn _____.

—Do you learn Russian or French?—I learn ______.

______ are web sites that search the web for occurrences of a specified word or phrase.

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．

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

“I slipped on the stairs. I think my arm is broken.”“Oh! I _____.”

表达式(8+3＞36.OR..T..AND.“A”-“B”$“ABC”)的运算顺序是______。