—Here’s the key to my car. —Thanks, but I must know where you ______ it.
With the guide ______ the way, we finally got to the village which we were looking for.
Perseverance is a kind of quality, and that is ______ it takes to do everything well.
Jane has been so ______ in getting used to everything that she hasn’t had time for social activities.
As the busiest woman in the village, she made ______ her duty to look after all the other people’s affairs in that village.
To qualify yourself for this kind of new job, I recommend that you ______ some online courses.