Rearrange the following words or phrases to make complete sentences.

we will suffer / clean, / Unless we keep / from pollution / our environment/.

=> 

What is the passage mainly about?

When we laugh, we breathe more oxygen into our body, which helps to keep us (19) __________.

Choose the word or phrase that best fits the gap in the sentence

The final examination will be held _________ June 12th, 2025.

Choose the word that differs from the other three in the position of primary stress in each of the following questions.

Choose the word whose underlined part differs from the other three in pronunciation in each of the following questions.

 Choose the word that differs from the other three in the position of primary stress in each of the following questions.

Complete each of the following sentences with the correct form of the words in brackets.

Thanks to the Internet, students now can learn English _____________. (EFFECT)