The first snow of every year is always so exciting, but too much snow _________ cause trouble

—What will the weather be like tomorrow? —It__________ be rainy, cloudy or sunny, I’m not sure.              

—There aren’t any toys in our suitcase．Where have you put them?—Oh, no．That old lady sitting next to us ______ have taken ours by mistake.

—When can I come here for the photos? I really need them tomorrow afternoon. —They _______ be ready by 12:00. 

Go and do it right now, and you _____ have my help when in trouble.