Many houses and huts were washed away when the river bursted its banks.

A police spokesperson confessed that detectives were baffled by Mr. Day’s disappearance, but were hoping to come up with an explanation.

Most governments seem to just _____ dealing with environmental problems. 

Many exercises such as calisthenics, running, or to swim involve producing muscle tension through range of movements that are called isotonics.

No matter how she tries, she never _____ over her shyness. 

Commercial letters of credit are often used to financing export trade, but they can have uses.

Either humans and animals learn by experience, and what is learned influences planning and carrying out of simple actions.

Then people learned how ........……telegraph messages

Now I _    all day, so it doesn't matter.

After working hard for so long, we decided to enjoy ourself to  nice long holiday

The sun contains 99.9 percentage the mass of solar system.

To see the statueLiberty and taking picture from the top of Empire State Building are two reasons for visiting New York City.

When there are low sales, companies often decide developing new products.

Mrs Stevens, along with her cousins from New Mexico, are planning to attend festivities

Pham Tuan said everything quite strange although he ……….. when he was on the ground.

Some snakes have hollow teeth are called fangs that they use to poison their victims.

The pleura that cover the exterior of the lungs and the inner walls of the chest cavity is a elastic membrane

Tea did not become popular Europe until the mid 17th century when it has been first imported England and Holland.

The authorities are worried the increase of drug abuse.

Neil seemed to have a good time at the party, ____?

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions: The teacher found a great deal of mistakes in his students’ writing.