Your mother be over forty! She looks so young! — Thanks. She will be happy.

Excuse me．Could you please tell me?—Certainly．Take the escalator to the second floor and turn left, There is a bank next to the drugstore.

I always go to sleep ___________ the light on.[ ]

This pair of shoes________ me 100 yuan．

What’s the matter with Tom?-He is anxious __________ to help him.[ ]