Gun control is a topic ____________ Americans have discussed for a long time.

John received an invitation to dinner, and with his work _____, he gladly accepted it [ ]

If I ruled （统治）the world, I would _______ the world ______ everything that is bad.

He got seriously ill Later he couldn’t see anything at all — he was ________ blind

Their new bridge is being built now, which is said to be ______the old one.[ ]