The packaging materials for these goods should be ...........  substances.

The average cat sleeps sixteen hours for a day in short intervals called ‘cat naps'.

Choose the correct answer:

She only reads books for ___________.

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_______is one of my favourite leisure activities.

Many old people don’t like to change. They are very set in their ..................

Researchers in economics, psychology, and marketing can help businesses.

Identify the error in each sentence: 

Today the number (A) of people whom (B) enjoy winter sports is (C) almost double that (D) of twenty years ago.

Ten decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear.

Chọn đáp án đúng để hoàn thành các câu sau:

I think access to cinemas and theatres is the main______of city life.

Choose the best answer:
The industrial............. will lead to the country's prosperity.

P.T. Barnum opened his own circus in 1871 and become the most famous showman of his time.

Tucked away in the mountains of Bolivia and Peru, Lake Titicaca are the highest navigable lake in the world.

A sailor is _____ person who works on a ship. 

Identify the error in each sentence: Our nervous system has over ten (A) billions (B) nerve cells in a network covering (C) every inch of our skin and (D) organs

 I have _______ Julie for ten years. 

The first week of classes at university was a little ............  because so many students get lost, change classes or go to the wrong place.

Choose the best answer among A, B, C or D that best completes each sentence: A new underground line ….. now. They say one of its stations ….in my street.

Choose the best answer:

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

He’ll be very upset if you _________his offer of help.

 Despite the tough ............  in the sector, our little store managed to break .............. its first year in operation.

He has got several hundred bottles of wine which he keeps in the cellar below his house.