The retired man donated most of his savings to the school damaged by the earthquake in Yushu, the students to return to their classrooms.
Living in the central Australia desert has its problem, _____ obtaining fresh water isn’t the least.
All _____ is a continuous supply of the necessities of life.
We need a chairman _____.
_____ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
In some countries, _____ is called “equality” doesn’t really mean equal rights for all people.