شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 160

1-

......................................... is an economic principal referring to a consumers desire to purchase goods and services and their willingness to pay a price for a service.

2-

In a pandemy separating might .................................. the risk of every one captured .

3-

We were not able to get a hotel room because we ......................... in advance .

4- What does the definition refer to? “When two people cooperate with each other’s, they come up with better ideas.”

5- Some of the most efficient dishwashers ……… 70 percent less electricity than traditional and old models.