( )(1)当你向别人介绍海伦是你的妹妹,可以说:A. This is Helen B. Helen is my sister.
( ) 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
( )_______ Yao Ling and her family ______ in Nanjing? A. Does, live B. Do, live C. Do, lives