He looked as though he _________ a ghost(鬼).
The environmental problem we are looking forward to _____ is __________ our attention.
Will you take my previous experience into _____ when you fix my salary?
The movie The Promise is ____ than The Fearless, so I like neither of them.
.If you don’t know how to use an English word, the easiest way is to _____ a dictionary.
A power failure completely _____ the cake she was baking.