My brother will go to America for further education this summer.— _________ Actually, we have many good universities here at home.

I often practice _________ English with my father.

What’re you _____?—My husband’s health problem _____ me a lot.

This important lesson by Professor Wang teaches primary students how to ______ themselves from danger.

Never before ________ buying a computer, but now it seems a necessity in my everyday life.