Monetary _____ is the most important factor in encouraging citizens’ blood donation in many countries.
举一反三
- The main form of blood donation in this country is to _______ individuals for their donation. </p></p>
- Darwin's most important book On the Origin of Species was the result of many years of research. </p></p>
- <p>The most important element of a song is __________.</p>
- Christmas is the most important holiday in most western countries.
- The ____________ of a product is the most important factor of a product.