—How's it going, Lucy?—______!My Chinese improves (提高) a lot.
Walk ________ the supermarket and turn left _________ the second crossing.
________ the bridge, and you’ll see the elephants.
.---Is it _________ our school? ---No. it’s about three kilometers ________.
Goldfish don’t know _______ to them three seconds ago.
_______ useful information it is!