He has promised to surf the Internet to help study,but but each time ends up __ computer games.
问题描述：
He has promised to surf the Internet to help study,but but each time ends up __ computer games.
He has promised to surf the Internet to help study,but but each time ends up __ computer games.Aplay B playing C played D to play
选哪个,请帮我
答
B playing
end up doing 最终……