To the parents' worry, some middle school students are _______ computer games and completely forget their studies.
The island, ___ to the mainland by a bridge, is easy to go to.
If you ___ smoke, please go outside.
I wasn’t sure if he was really interested or if he ___ polite.
As he reached ___ front door, Jack saw ___ strange sight.
What would have happened, ___, as far as the river bank?