______ is your brother doing?
A. Who B. What’s C. What
What _____ you doing?
A. is B. are C. do
_______ monkeys can ________ in the tree..
A. The swing B. Does swing C. The swinging
What is the rabbit doing ? It’s _______________.
A. running B. climbing C. swimming
______ Zhang Peng and Mike playing chess in the room ?
A. Does B. is C. are