I think students should have mobile phones to calltheir parents.—_____. They often use them to play games instead.

Mr. Lin gave us some _____ how to learnEnglish well last week.

15. Justice has long ____ . Whoever breaks law will bepunished by the people after all.

I have learned how to keep my hair ________. So _____my classmates.

A boy with two dogs _______ when the earthquake rocked the city