Kiwi birds search the ground with the bills for insects, worms, and snails to eat.

Each year, people around the world spending billions of dollars buying merchandise on the Internet.

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

Mary and her sister just bought two new winters coats at the clearance sale.

Which subject is this book ________?

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

At first, it’s very difficult for the judge to identify the winner because the two runners seemed to cross the finishing line .................

Although he tried to hide it, it was _______ that Peter didn't like his birthday present.

There are differences and similarities between Vietnamese and American culture.

Choose the correct past forms and past participle forms of the following verbs:live - _______ - _______ 

Identify the error in each sentence: The number of people killed in last week’s attacks in Paris have risen to 130

All delegations joined in congratulating Mr. Kebe with a warm ...........  of applause.

Choose the best answer:

Would your children mind ................ quiet for a moment?

 Stan isn’t at work right now.  

In his famous domes, architecture Buckminster Fuller utilized thousands of simple equilateral triangles linked together.

I want _________ apple from that basket. 

 He works at night and sleeps during ______ day 

A ________ is a report in a newspaper or magazine in which a writer gives his opinion of a book, a film, or a play.

What a(n) __ thing to say! what gave you that idea?

Choose the correct answer:

She only reads books for ___________.

A sailor is _____ person who works on a ship.