—What’s your favourite fruit?—Apples. You know, _______ apple a day keeps the doctor away.
--- Do you know ______? --- For a month.
______ 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.