We buy stamps ______ .
A. at the post office B. in a bicycle shop C. in a restaurant
She ____ a stamp for his letter
A. need B. needs C. to need.
Now, I _____ the letter in the box.
A. put B. to put C. am putting
We write on _____ on a postcard.
A. left B. a left C. the left
A postcard has a picture ____ it.
A. in B. of C. on