. I’m afraid I’ll turn to Prof. Timlingson. It is .
Sleeping pills _____ be taken sometimes for a good night’s sleep but not so often that it becomes a habit.
I have no idea about what colours look good ____my skin.
_____with care, one tin will last for six weeks.
Those who have applied for the post ____ in the office.
I hope he’ll soon ____ his disappointment and be cheerful again.