What does the passage mainly discuss?

In paragraph 2, the word “those” refers to ______.

According to the passage, why do many people never seem to have enough time to accomplish things?

According to paragraph 2, evidence from fossil suggests that

According to the passage, what does “slip away” mean?

Which of the following could best serve as the title of the passage?

The phrase “latchkey children” in the passage means children who ______

What is the topic of the passage?

Which of the following is the best title for the passage?

Which of the followings is NOT an evidence of monitoring studying?

he phrase “hacks for” in the title is closest in meaning to______.

What does the author imply about the United States and Canada?

What is the main idea of the first paragraph?

Surgeons in the early 20^th century compared with modern ones ______.

This passage is mainly about______.

In the paragraph 2, the word “accomplishments” can be best replaced by ____.