----Excuse me, how can I get to the post office?----Go __________ the street and turn left. Walk ________ the museum, and you’ll see it.
Yunnan is beautiful and I’m ______ visiting it again.
I ______ ride a bike to school. But this morning, I walked to school.
Let’s open the windows to have some ______ air here.
--- When ______ you ______ here? --- Two days ago.
--- Will you carry the box for me, please? --- Sure, ______.