以下の選択問題の ()に入る答えについて理由も併記して教えてください。 ・The teachers did all they () do for the new students 1,able 2,can 3,could 4,manage 5,maybe ・The boy's parents were prepared to go to any () to keep his name out of the paper 1,angels 2,durations 3,lengths 4,trouble 5,ways
