Bats use echoes of their own high – frequency  to detect food and avoiding obstacles.

Today successful farmers are experts not only in agriculture , but also in market, finance, and accountance.

The number of students attend the class dwindled until on two remained.

That lecturer, his name I have forgotten, is very well-known .

Nutritionists recommend that foods from each of four basic groups be eaten on a regular daily basis.

"I'm sorry I'm late. I missed the bus." – "________. We haven't started yet." 

A large percent of Canadian exported business is with the United State.

Before the information of labor unions, individual workers had almost not oice in determining their wage, hours, or working conditions

Children’s games, which are amusements involve more than individual, appear to  be cultural universe.

Please send me information with regard of insurance policy available from your company.

He has less friends in the class now than he had last year .

John: “Can you tell me the way to the nearest post office?” Nam: “_______”. 

An important factor should be considered is Mr. Lopez’s ability to keep the new restaurant going for several months with limited re

The biologist found some pollutants, a little of which be considered very harmful to fish and other living ganisms in the river.

In the architecture, a capitalis the top portion a colum.

A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth damong small children

How far is your house ………….the city center?

The cars in garage were badly in need of be repaired .

A dancing is the oldest and liveliest of the arts.

Ballet performers must be believable actors and actresses as well as experts.

It is difficult to get used to sleep in a tent after having a soft comfortably bed to on.