.................. electric eels send a series of blips of electricity into the water around them and they can detect the pattern of electricity of the water changes.

On no account ____ in the office be used for personal materials.

In spite of her physician handicaps, Helen Keller graduated from Radcliffe with honors.

Before we returned from swimming in the river near the camp, someone had stole our clothes, and had to walk back with our towels around us.

Đáp án 

The ancient Romans used vessels equipped with sails and banks of oars to transporting their armies.

Choose the best answer:

It would be not good ................. Tom ........... that work.

Boy, stop reading. ________ the book down and go to bed.

There are approximately 100 billion galaxies in the universe.

The three largest state is, and has been since Alaska’s admission into the Texas, California.

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

 _____ Fords did manage to send _____ Ford to a music school.

Nobody cheated in the exam, _______? 

Choose the best answer:

I like ...... to music but I don’t like ........... to people talking about it.

The various parts of the body require so different surgical skills that many surgical specialities have developed.

As our new furniture will deliver on Monday morning, I’ll have to stay at home to check that it was not damaged during transmit.

Choose the best answer:

Jack suggested ......... one flat and ....... the other for myself. But  Tom advised me ....... the whole house.

Jobs which are highly paid in some countries are badly paid in other.

 What music _______ played? 

One responsibility of human beings is not to interfere with the actions of another people except in the face of injustice.

Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

Modem art is on display at the Guggenheim Museum, a building with an unusually design.

She's been studying English for two years, _______?