连词成句,注意大小写和标点。 1. blue, my, is, backpack _________________________________________________________________________. 2. have, do, a, baseball, you _________________________________________________________________________? 3. when, you, go, school, to, do _________________________________________________________________________? 4. often, to, she, see, her, with, goes, operas, father _________________________________________________________________________. 5. the, photo, at, please, look _________________________________________________________________________.