You should try to get a good night’s sleep ______ much work you have to do.
The media can often help solve problems and draw attention ________ situations ________ help is needed.
—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.