The most substances expand in volume when they are heated.

Since the Great Depression of the 1930’s, social programs such as Social Security have been built into the economy to help avert severity business declines.

Mr Kent is on time for everything. How _____ it be that he was late for the opening ceremony? 

Vehicles also account _______ air pollution in the cities.

Because not food is as nutritious for a baby as its mother’s milk, many women are returning to the practice of breast feeding.

We’ve heard that Janet is sick so arry is ________ by to replace her

The common field mouse is about four inches long and has a three – inched tail.

Dolphins can detect minute electrical discharges coming from its preys.

Rice is most important plant in Viet Nam.

It was such a great book that I couldn't put it _______

Since the Great Depression of the 1930’s, social programs such as Social Security have been built into the economy helping avert severity business declines.

Choose the best answer:

It is raining hard. We had better ................ at home tonight.

Choose the best answer:

Did you have any trouble .............. the house?

Identify the error in each sentence: 

According to geological discoveries. 4.6-billion-vears life span of our planet is divided into four time intervals called eras.

The 6-year-old boy resembles to his mother somewhat more than his older brother does.

If children are enjoying themselves and having fun during the activities, this is  an indication that they feel at  ............ with the methods being used.

The students in the dormitories were forbidden from going out after 11:30 p.m., unless they have special passes.

Being a nurse involves being cheerful, working unsocial hours, and come home with me smelling of disinfectant.

It was Vitus Bering, the Danish sea captain, who discovered Alaska on its voyage to Russia in 1741.

There are many ............. organizations in Ho Chi Minh City.

Either Mr. Anderson or Ms Wiggins are going to teach our class today.