Are Mr. and Mrs. Wang living alone in the house? —Yes, they have three sons, but ______ of them live in their own houses.

It’s ____for us students to make a plan for studying before the beginning of the new term.

Lisa, do you remember ________ yesterday?—Of course.

You should _____ some English every day. It’s good for your vocabulary.

There is“h” and“u” in the word “huge”.