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

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

Southern California, is known for its mild winters, has become the  new home for many senior citizens escaping the hard Northern winters.

Telecom giant Viettel decided to implement the 5G network  ................  his technology was still uncommon.

The first self-sufficient village  in Britain  ..............  the Norman's idea. They were some strange invaders who ..............   to change the country in a better way.

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

Which of the following words completes this sentence? " Our house is ........ we don't share the building with anyone else.

Identify the error in each sentence: Every student in my class are good at English

Jim is so untidy! If he _________ some new clothes, he _________ so bad. 

Chọn đáp án đúng điền vào chỗ trống: A defensive player may only hold, block or pull a/ an _______ who is touching or holding the ball.

However, some scientists argue that the historical evidence shows that over time the Earth heats .........  and cools  ..........  naturally.

Our neighbours are normally very noisy, but they're__________this evening.

The doctor advised my brother. _    to recover from his illness.

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

Being in a crowded place makes me very ........ .

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

The building's new ventilation system circulates heat much_____________than before.

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.

A skilled population is the key ..............  a country's sustainable development and stability.

'What did you do to your hand?' I___________ when I was chopping vegetables.'

I .............. the book about artificial intelligence by tomorrow, then you can borrow it.

It's high time the children _    their lesson. It’s 8 p.m now.

Every country has its _________ traditions, some of which have existed for centuries. In my opinion, we should do everything possible to preserve them.

Identify the one underlined word or phrase A, B, C or D that must be changed for the sentence to be correct: 

When I tried on my three white shirts, I found that not only of them fitted me any more

Because Margot was such a bad liar, the school principal could easily see __________ the excuse she had made ___________ to explain her absence.