I am fond of my sister but she has one serious shortcoming. She _________ be really stubborn.

My parents          getting up early on weekdays

Brain, like muscles, also needs some kind of exercise and nutrition. The more you use your brain in the right direction, the more you ________ enhance your ability.

 —Let’s _________ some chicken. —Great! I like chicken.

Do some warming up exercise before sports. Or you _______ hurt yourself.