—Will you see me off at the airport at ten tomorrow morning?—Sorry, I ________ a lecture then.
The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.
She is making herself ill with _____ over her son's future.
When products made in factories _____, they are thrown away as garbage.
I _____ her not to walk on the thin ice but she would not listen to me.
It was clear that the small grocer was _____ people he owed money to.