Did you have fun ________with your teachers on the Internet

Successful businesses evolve by staying the changing market and choosing the right time to move from their existing business model to a new model.

Team leaders must ensure that all members theirnatural desire to avoid the embarrassment associated with making mistakes

Do you know everyone at the party— Almost, but I don’t know the one you talked with at the door.

Does anybody want an extra ticket to go to the movies? —Whom would you rather _______ with you, Li Hua or me?