Gun control is a subject _________Americans have argued for a long time.
I know that if I start watching a soap opera, I immediately become hopelessly _____.
I will always remember _____ to the star’s concert and what I experienced there.
As PM2.5 readings reached as high as 900 in some cities, people are more _____ to get lung cancer in such conditions.
He was such __ good speaker that he held our attention every minute of __ three-hour lecture.
How much more expensive do you think a flat in a downtown area is than ______ in a suburban area?