选择方框中的词并用其适当形式填空

speak,  need,  patient,  achieve,  help

This book will be very ________________ for you to do the medical research.
We must be _______________ with the children.
You can talk with foreigners to practice your ____________ skills.
Everyone ______________ to have at least eight hours’ sleep a night.
If you work hard, you’ll _____________ your dream.