The time has come _____ we make extensive use of nuclear energy.
A
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Oursisbeautifulschoolwithalonghistory,____weareproud.
Thelandladywasverystrict.Sheaskedthatwe____televisiononweeknights.
Marykeepstalkingabouttheparty.Shehadaverygoodtime,______she?
Mary keeps talking about the party.She had a very good time,______she?
Washerisamachine____(用它我们洗衣服)orapersonwhoiswashing.