We need friends to ________, or we will feel lonely（单选）—4分

If a student has a problem with classroom work，he or she should______.

If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.

According to the western culture, if one is given a compliment, he or she should say“______”.

Either he or I ______to the airport.

Virginius would feel more or less guilty when he______.

Virginius would feel more or less guilty when he _____.

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.

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

Insufficient ______ can cause a processor to work at 50% or even more below its performance potential.