A new law has been passed but it remains _________ whether the new law will achieve its desired purpose.
John plays basketball well, _____ his favorite sport is badminton.
After walking a whole day, I was almost________, not feeling bad, though.
During the reconstruction of the city , many modern tall building went up old shabby houses were torn down.
Most scientists seem to agree that ________ certain limit should be set on ______ sale of cars to ease air pollution.
—I’m confident that we’ll win this time. —You’ve been practicing so long.