a very ______ infectious diseaseFever, headaches, coughing and fatigue are some of its ______ symptoms

21st century school edition is ____a newspaper .It helps us to improve our English a lot .

I’ll come to see your performance at 9:00 tomorrow evening.— Sorry, but by then my performance _______ and I ______ reporters in the meeting room.

You can’t work out this problem ____ inthis way.

hy are they taking all the equipmentaway—The job ____, they are packing up toleave.