We have________ Shanghai since we saw you last month.
If it ______ tomorrow, I’ll go hiking with my friends.
I often see her _______ the piano. Listen, can you hear her _________ the piano now?
--- I’m sorry I ____ my homework at home. --- That’s all right. Don’t forget ____ it to school this afternoon.
The flowers ________ every day, or they will die.
--- Jack, you look tired today. What’s wrong? --- I was ____ busy ____ I didn’t go to bed until midnight yesterday.