Many boys enjoy _______ football, basketball or baseball

：Mr Baker, some students want to see you ______ they wait here or outside

－ What does the sign over there read － “No person ________ smoke or carry a lighted cigarette, cigar or pipe in this area”

And they can ______their passports______，making leaving or “escaping” virtually impossible.

_____ they are fit I see no reason why they shouldn’t go on playing for another four or five years.

（ ）Some students prefer yellow rulers or erasers when they study for exams because yellow is the color of __________.

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．

It is generally considered unwise to give a child___( )_____ he or she wants.

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

Doctors are often caught in a _____ because they have to decide whether they should tell their patients the truth or not.