( )john playing chess now?A.Do B.IS C.Are

( )john playing chess now?A.Do B.IS C.Are Are you playing chess now? John is much better than I____.A.to play chess B.for playing ( )Lily_______with Tom now.A、plays B、playing C、is playing John is much better than I in playing chess.怎么不是at playing c 单项选择.Jack is playing chess .He is good at ____ A.it B.them C John is playing chess.（John is划线提问）急 A：___Mr.and Mrs.Black___?B:They are playing chess. ARE the food _______on the table now A is B are C be D do playing,are,john,chess,and,Zhang Peng(?)连词成句 Can Tom football now? A.is playing B.play C playing应该选哪个? 把is john playing chess 变成否定回答