—What ________ I doing? Guess! —You ________ playing the guitar.A. am; / B. /; are C. am; are
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
I want to buy _____ postcards. A. some B. any C. much