____________his illness, he had to cancel the appointment.

The company expects ________ from its employees.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Once you have started something, you ought to see it__________ to the end. 

Recycling is a good way of ___________ the environment.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

____________ Sahara of ____________ Africa is the world's largest desert.

We were so tired after __________ several hours __________ round the ancient sites the town that we hired a taxi to get back to our hotel.

Because blood from different individuals may different in the type of antigen on the surface of the red cells and the type of antibody in the plasma, a dangerous reaction can occur between the donor and recipient in a blood transfusion.

He would never do anything to ............. the lives of his children.

I can’t understand the French visitors. I wish I____________French.

Choose the best answer:

Have you read ....... chapter of your book?

Choose the best answer:

Travel by car is very fast now because there are many ............

 It is important for parents to respect children's ________.

Find the mistake: Look. It’s cloudy. It’s going to raining.

I suggest____________some money for poor children.

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

If I were her, I'll quit that job immediately and look for another one.

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

Would you mind turn on the lights, please? It’s too dark for me to read.

"Can I try your new camera?" - "_______"

Choose the best answer among A, B, C or D for the sentence: "We need to make the club _______ to a wider range of people."

She looked very______ when I told her the good news.

Her illness was more______than we first thought.

Choose the best option to complete the following sentences.

Last year, my class _______ to teach the children in a remote area.