—Are these seats available?—Sorry, sir. The seats ________.
There is ______ thing as a free lunch. There may be a hidden cost.
We have no extra money. So for the time being, we can’t move to ______ apartment.
My car is covered with thick snow and now the engine simply ______ start.
Doctors’ suggestions for dosage: ______ tablet each day for two weeks.
We always have spaghettis on Thursday. Let’s have pizza ______ a change.