I will certainly be surprised if he ______to tell them what he knows

________ the Hong Kong singer’s current popularity, she was largely unknown in the Chinese mainland before the talent show

Pointing to the hospital on ______ roof there is a parking garage, Granny told me that was _____ I was born.

While building a tunnel through the mountain, ________ .

My best friend Jack looks happy, and he always ________ a smile ________ his face.