UN的汉语意思是 .
I am going to the ______ to send a letter to my pen friend this morning.
Excuse me! Which bus can ______ us to Beijing Zoo?
---What is the best way ______ the city?---By bus.
______ you walk along Guangdong Street, the famous supermarket is on you left.
Please ______ the bus at the third stop, you’ll see the hospital opposite the stop.