they have yet to be assessed properly owing to their failure

____ the computer properly led to its failure to work. when they come back to their house they may be happy to have They couldn't afford to _(装备) their laboratories properly ba plan A have proved to be a failure. 翻译They have their lives to lead. they have fun (being) with their family 括号中为什么填being而不是to be they often invite their friends to dinner.yet they don't lik ( ) 20.________ they finished their homework,they went to be they longed to have families to continue their lives . owing to 用法 owing to(单选) failure to