We all want to try something new, but finding the _________ to start is always the hardest part.

—Is there a ______ near here? I want to buy a football.—Oh, yes! It’s next to the bookshop.

Lingling is a　　　. She works in a hospital. 

The pants I bought last year are too small now.  I think I need a new 　　　.

If you want to be healthier, you shouldn't do _____ in the classroom all the        time but do more _____ on the playground.