It has always been the _____ of our firm to encourage workers to take part in social activities.
He's teaching me French __________ my teaching him Chinese.
We have to give the users something new __________ what we've already offered, which is the only way to broaden the appeal of the website.
-What can I do for you? -I'd like to __________ this blue shirt for a bigger size.
When I arrived at home, my husband was lying on the floor,__________ the kids with toys.
He made a promise that he would __________ us with dinner the next day, but he broke his word.