There is____old piano in ______corner of the living room．（　　）

She is too busy to help us finish the work．

Let's do it______．（　　）

I am afraid we can not ______to take a taxi． Let s go by underground instead（　　）

Her smile made me feel warm and lively． It was like a hidden_______．（　　）

Tianjin is one of _______cities in China．（　　）