Choose the best answer:
Hundreds of tourists _______ at the airport were given complimentary light meals

Choose the best answer:
Nowadays people are more aware that wildlife all over the world is in (01) _____. Many species of animals are threatened, and could easily become (02) _____ if we do not make an effort to protect them. In some cases, animals are hunted for their fur or for other valuable parts of their bodies. Some birds, such as parrots, are caught (03) _____ and sold as pets. For many animals and birds the problem is that their habitat - the place where they live - is disappearing. More land is used for farms, for houses or industry, and there are fewer open spaces than there once were. Farmers use powerful chemicals to help them to grow better crops, but these chemicals pollute the environment and (4) _____ wildlife. The most successful animals on earth – human beings - will soon be the only ones (5) _____, unless we can solve this problem

Choose the best answer:
After an explosion, a flame ___________ high into the sky

Choose the best answer:
After having a poor performance in the mid-term test, I decided to put my shoulder to the wheel to achieve better results in the final test

Choose the best answer:
One thing should be made quite clear: there can't be any last-minute changes once the programme ____ approved by all the people involved

Choose the best answer:
Under the new contract, everyone will get a 5% _____

Choose the best answer:
Many children do not like it when their parents ____ them like little kids

Choose the best answer:
The spout won't ........ accidentally , it’s been fastened on

Choose the best answer:
If we run out of cash, we will have to fall ....... the money in our savings account

Choose the best answer:
It might help you to understand Julia if you think ______________ when you were her age

Choose the best answer:
The heritage site is famous for both its cultural beauty and natural integrity

Choose the best answer:
My teacher tried to bolster my confidence by saying that I had an aptitude for English

Choose the best answer:
Tom showed ___________ at my door with flowers to apologize for his rude remarks

Choose the best answer:
I can’t think of her name right now, but I’m sure it’ll .....  to me

Choose the best answer:
Unemployment is growing. It's getting ____ to find a job.

Choose the best answer:
One bad harvest could wipe _________ all of a grower's profits for the previous two years

Choose the best answer:
The cooling system ........ when the temperature gets too high

Choose the best answer:
The points raised about the exercise technique are not ________ to this presentation

Choose the best answer:
University students are willing to get involved in helping the old and ____ people

Choose the best answer:
I waited for the sales to get the shoes I liked at a bargain price but unfortunately they were _______

Choose the best answer:
Many groups worldwide are trying to develop vaccines that protect against a wide range of coronaviruses and prevent (26) _______ pandemic. These efforts have now been boosted by the discovery that some healthcare workers had pre-existing immunity to the SARS-CoV-2 virus during the first wave of the pandemic. During the first half of 2020, around 700 healthcare workers in the UK were tested weekly as part of a crowdfunded study called Covid Sortium. Most of these people, who wore protective equipment, never tested positive for covid-19 in PCR tests or developed covid-19 antibodies – proteins that (27) _______ to the outside of viruses, preventing cells from being infected. (28)_______ , when Leo Swadling and Mala Maini at University College London and their colleagues looked more closely, they found some of those (29) _______ tested negative had a protein in their blood that is linked to covid-19 infection, as well as T cell responses to the SARS-CoV-2 virus. T cells are (30) _______ of the immune system