Identify the error in each sentence: An extended family consists not only (A) of parents and children (B) but also of others (C) relatives, such as grandparents and unmarried (D)

I suggest that Frank _______the instructions carefully before playing that game.

If you __________ a skeleton in the cellar, don't mention it to anyone. 

It is imperative that the world _    to find a solution to global warming.

Don’t spend time _______ about things that may never happen.

He put the two letters into the wrong envelopes ______ mistake.

Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

The vase has the same design, but it is different shaped from that one.

There was so much snow that our village was completely_______ and had food to be brought in by helicopter.

Identify the error in each sentence: Helen likes to listen to music, to go to the cinema, to chat on the phone and going shopping

Don’t forget to __________ your clocks __________ by one hour tonight, as it’s the last Saturday in October. 

The song is …. to me. 

Every country has its (1) _________ traditions, some of which have existed for centuries. In my opinion, we should do everything possible to preserve them.
Some people think that in today's high-tech world traditional celebrations are too old-fashioned and (2) _________ to our lives. However, (3) _________ such as Carnival, are important, as they bring communities together and make us think about other people and not just computers. 
(4) _________ argument against traditional festivals is that they are expensive to organise. To some extent this is true, particularly when there are firework (5) _________ or parades. On the other hand, it is a small price to pay for brightening up our lives with entertainment and colour. (6) _________, celebrations like the 'Fallas' in my home town of Valencia (7) _________ many tourists and their money.
Finally, although I agree that some traditional customs (8) _________ their original significance, they can provide an opportunity for us to learn about our past. For example, Bonfire Night teaches British children about a particular period of their country's history.
To conclude, traditional celebrations are (9) _________ great pleasure and interest, and they are certainly (10) _________ keeping.
(2)...............

Since the goal seems __________, I believe we should begin at once,” Tim argued. 

You're 18! You ................... to be able to look after yourself by now.

Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

As he read the text aloud, the newscaster ........ over the words.

This safe,_______friendly city is like a paradise for its inhabitants who can enjoy the highest quality of life.

In Viet Nam, you shouldn't ................    at somebody's house on the first day of the New Year unless you have been invited by the house owner.

Choose the letter A, B, C or D to complete the sentence below: 
Football’s governing body, the Fédération Internationale de Football Association (FIFA), estimated that at the turn of the 21st century there were …....… 250 million football players and over 1.3 billion people “interested” in football.

A teenager in Bosnia recently threatened to __________ her father with a hand grenade after he refused to return her mobile phone. 

Identify the error in each sentence: 

Although we are concerned about the problem of energy sources, we must not fail recognizing the need for environmental protection.

Choose the correct answer to complete each following sentence by circling A, B, C or D. 

The goal of the committee was to evaluate the company's bylaws and offer____________ for improvement.