Be careful! There is _______ dog lying at the gate. — Thanks a lot.
_____ do you visit your teacher who taught you years ago? —Once a year.[ ]
If you are weak ____ a subject, ______your teacher for advice can help.
What do you think about _______dress in the shop window?— Oh, it’s beautiful. Amy will be pleased if she can have it as _______birthday present.
________ theme of the Shanghai Expo is “Better city, better life”. It will send _____ message to people around the world to care about the places where they live.