( ) _______ you good at _______?
A. Are, run B. Are, running C. Do, running
( ) Liu Tao is good at ________.
A. swim B. swims C. swimming
( ) Helen likes ________ on the grass(草地).
A. sitting B. sit C. sits
( )Does she play table tennis ________?
A. good B. well C. beautiful
( ) What _______ he do? He can make a model plane.
A. does B. is C. can