According to the recent research there is an increase __ 4000 in town's population. A.of B.in C.at D.upon Answer and Feedback Answer:A do you want? view more test Xem thêm Share this post Some other questions you may be interested in. to begin suddenly 1. to refuse to let someone in 2. to refuse to give somebody support or help 3. to stop using or supporting 1. to astonish somebody by telling something exciting or shocking 2. to do harm to someone/ to cause problems to someone to revenge to steal 1. to become something different 2. to change by magic 3. if days _______ months it means time passes slowly 1. to switch on something 2. to attack someone to discuss an issue to solve it 1. to hit a few times 2. to spend time without any aim 3. to travel 4. to discuss something to begin doing something,especially new or challenging