--There will be _____air pollution if there are_____ people driving. --I hope the air will be fresher soon.
----Are you afraid of__________ out at night?----No, but I’m afraid __________ the strangers at night.
----Excuse me, how can I get to the post office?----Go __________ the street and turn left. Walk ________ the museum, and you’ll see it.
----Goldfish don’t know __________ to them three seconds ago.----Really? It’s so amazing!
----__________ try some fish? It looks delicious.----It smells __________. I don’t want to eat it.
Shanghai is _________ the south-east of Wuxi and Jiangyin is _______ the north of Wuxi.