That boy usually plays the piano _________Sunday morning .A. at B. in C. on
( ) _______ 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