---Will you come here on Monday or Tuesday?---I am afraid _________day is OK. I am busy recently.
______ the dinner was all over, everyone helped wash the dishes.
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.