What is the rabbit doing ? It’s _______________.A .running B. climbing C .swimming
( ) (5)Here _____ a computer.A. is B. are C.\
( ) (4)I want to _____ a birthday cake.A. make B. making C. makes
( ) (3)Let’s ______ a song.A. sing B. singing C. sings
( ) (2)How_____they celebrate the birthday?A. does B. do C.is
( ) (1)Happy birthday ______ you .A. to B. of C. for