A turning point of the continuously high housing price won’t appear suddenly because there must be a certain process_______many factors lead to the change.
Seeing the man on the bike with a boy at the front and the other at the back, the policeman signed _______stop.
Deaf people talk ________.
A dark cloud is a _______of rain.
Since advertising can increase sales of production, _____it can _____the price.
– What are you advertising ______? ---________. I need a place to stay at.