—Have you finished your fashion design?—Not yet. I’ll finish it if I ________ ten more minutes.

---How often do I need to feed the birds?---They______ food every day, or they will be hungry.

A photo _____ each time that button _____.

--- Many trees            around our school last spring.---The more trees, the better.

The old over 90    __  not only by their family but also by the government in many places.