.---_____my dog?----It’s under the chair.

--Who’s your Chinese teacher?--Miss Zhang. She has taught ______ Chinese for two years.

 —　　　　  gloves are these? —Sorry. I don’t know. 

---Is this your key, Jenny ? ---No, ______ is in my handbag.

As students, we should work hard and do ________ best to realize our dreams.