Although Tom is satisfied with his academic achievement，he wonders _______ will happen to his family life .
A、itC
what引导宾语从句，并在从句中作主语。句意：尽管汤姆对自己的学术成就很满意，但是他想知道他的家庭生活将会如何?
Ithasbeenfoundthatastrong________helpovercometheeffectsofdistraction.
Thestudentsarerequiredto________themainideasofthearticleintheirownwords.
Thefarmingmethodshavebeen________improvedwiththeinventionofthenewmachine.
英文翻译：在经济危机之后，人们不再认为他们房子的价值会继续升高。
Theprofessorworkedfor7hoursata________.
