A quarrel _________, which made him ______ his family.
Since we ____ for almost two weeks, I’ll need to buy a large backpack in advance to carry my supplies of food and water.
Below ____ an article about advertisements ____ by a student for her English project.
_____ an ad does not lie, it does not mean it is altogether innocent.
She set off at 9 a.m. and ____ the airport an hour later.
If ____ in, viruses can result in illness or even death.