It often rains __________ in the summer of Nanjing.
| A．strong | B．big | C．hard | D．heavy |
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
The elephants often ________ water with ________ trunks .
A. drinking it’s B. drinking their C. drink their