Great changes ______ in my school in the past ten years

will you do during thesummer holiday” — “I don’t know, but it’s high time _____something”

There are tomatoes. You need to get some for me.

At the beginning of the class, the teacher said to us, “Open your books and ________page 64, please.”

Though lacking money and support from his family, he ________ to complete the task by himself, which brought him confidence and experience.[ ]