Daming and Jim_______playing the guitar.A. is B.are
The girls often go ____ on the weekend.A. shop B. shoping C. shopping
My parents always go to work_____7:20 a.m. A. in B. on C. at
I often play ping-pong ________ my friend.
___________ is the first month of a year.
-- When is Tree Planting Day?--It’s ___________ March.