Flu is a very ______ infectious disease. Fever, headaches, coughing and fatigue are some of its ______ symptoms.

Please let Jim _______ basketball with me, Uncle John!—All right.

If you sleep less than 7 hours a day, you are more to catch a cold.

She tries to______her ideals.[ ]

Do you have difficulty getting along with the new colleagues?— No. I______ quickly.