Find the mistake: Watching television too much have adverse effects about children’s cognitive ability.

You promised her a letter; you ought to_______ days ago.

Every city in the United States has traffic problems because the amount of cars on American streets and highways is increasing every year.

As a child grows on, its physical health is affected by many elements in the air, water and food.

Ballet performers must be believable actors and actresses as well as experts.

Identify the error in each sentence: (A) Much people (B) agree that we should (C) protect the (D) environment.

The better you are at English, more chances you have to get a job at international organizations.

The local economy which once used to be in crisis now depends to a great extent on menial jobs provided by the recent development of ecotourism.

While Barbara was waiting in the queue to make her payment, a rude man __________ in front of her. 

Rainwater carries unused chemicals from fields into streams or lakes, where various compounds promote the rate growing of weeds.

Left ­ hand traffic, a custom existing in Britain only, ..............back to the days when English people went to and fro on horseback.

Identify the error in each sentence: 

The students are going to hearing three short conversations about food. 

No matter what different, various music types have one thing in common: touching the hearts of the listeners.

Choose the best answer:

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

Choose the best answer:

Sit down .................. have a cup of tea.

She _______always wanted to meet him

The Youth Union in our school has decided to launch a/an  ______ to raise funds for local charities.

A lot of money _______ on advertising every year.

Choose the best answer:
There are a lot of........... differences in England.

Identify the error in each sentence: 

Manufacturers may use food additives for preserving, to color, or to flavor, or to fortify foods.

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