According to paragraph 2, what did the Harvard Medical School discover?

The word ‘they’ in paragraph 2 refers to ______.

Physical aggression among young boys can put other students and school staff at _______ .

I don’t like him. He’s the one who _______ rumours about me.

The situation became more _______ when two male students reported that they had been sexually abused by their teacher.

Students are expected to _______ with their school’s regulations and rules.

One student’s phone rang, which successfully _______ the lesson.

I have an appointment with my doctor today, so I need to find someone to _______ for me at the conference call.

He suffered from _______ when trying to stay up all night to complete the project.

My son has been _______ for his final exam all week.

Nowadays students often _______ themselves of sleep so that they can play games at night.

They conducted some search into the _______ between exposure to sun and skin cancer.

Staying up too late to study for an exam can _______ more harm than good.

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

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

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