Complete the following sentences using the most appropriate option.
1The Atacama Desert in South America is a rainless ............... that extends 966 km between the Andes Mountains and the Pacific Ocean.
Wrong!
A high, flat area of land is a "plateau".
2India is one of several countries ............... affected by widespread deforestation and the steady destruction of natural watersheds.
Wrong!
Here "critically" means very seriously affected.
3I don’t know ............... we can trust him.
Wrong!
Use "whether" to introduce an indirect yes-or-no question.
4The burglar moved ............... down the stairs and then walked through the back door into the street.
Wrong!
A burglar who wants to avoid being noticed moves "stealthily".
5He hired a private tutor to ............... his daughter for the mathematics exam.
Wrong!
To "coach" someone is to train or teach them, often for a subject or exam.
6She was ............... to hear about her husband’s safe arrival.
Wrong!
Someone feels "delighted" when they are very pleased about good news.
Done.
Score: 0/6
Answers
- The Atacama Desert in South America is a rainless plateau that extends 966 km between the Andes Mountains and the Pacific Ocean.
- India is one of several countries critically affected by widespread deforestation and the steady destruction of natural watersheds.
- I don’t know whether we can trust him.
- The burglar moved stealthily down the stairs and then walked through the back door into the street.
- He hired a private tutor to coach his daughter for the mathematics exam.
- She was delighted to hear about her husband’s safe arrival.

