There are two rooms on the first floor, _____ is used as a guest room .
—Have you ________ some new ideas? —Yeah.I'll tell you later.
Walking alone in the dark,the boy whistled to ________ his courage.
I've ________ the habit of calling in on my grandparents on my way home from school.
________ a moment and I will go to your rescue.
In modern times,people have to learn to ________ all kinds of pressure although they are leading a comfortable life.