Our country did a lot about the drunk-driving, and it took some time ____ the situation got better
In 1831, Faraday discovered that electricity moves through a wire ________ a magnet(磁铁) is moved near the wire
Lily, here are your pens. Please _____. —OK, Mom.
Two ___ teachers are enjoying some ____ over there.
I usually go shopping in that supermarket, because their prices are _____.