According to the author, one advantage that rooftop gardens have over parks is that they______.

In the paragraph 2, “them” refers to ______.

The word "scrutinized” in the fourth paragraph could be replaced by______.

According to paragraph 2, market research includes______.

What does the author probably mean by using the expression “children interrupt their education to go to school” in paragraph 1?

The word "this" in bold type in paragraph 1 refers to______.

What can we assume is NOT true about Middle Earth?

What does the passage mainly discuss?

Using the information in paragraph 2 as a guide, it can be inferred that ______.

Based on the information in paragraph 3, which of the following best describes the main difference between parks and rooftop gardens?

It can be inferred from the passage that the author would most likely endorse a program that ______.

According to the passage, single-parent households ______.

According to the passage, when did "the Lord of the Rings" trilogy become popular with young people?

What can’t students do at most American colleges and universities?

What does this paragraph mainly discuss?

What does the word "trilogy" in the first paragraph mean?