Question

マカロン

この問題の答えがイなのですが、ウがダメな理由を教えてください。

To write about human aggression is a difficult task because the term is used in
so many different senses. (1)Aggression is one of those words which everyone
knows, but which is nevertheless hard to define. One difficulty is that there is no
clear dividing line between those forms of aggression which we all deplore and
those which we must not disown if we (2)are to survive.
(注) aggression 名 攻撃性/deplore 動 を嘆かわしいと思う / disown 動 を否認する

7. 下線部(2)と同じ<be to 不定詞>を用いた文を以下のア~オより一つ探し出し、
記号で答えなさい。 ( 1点 )
ア. Not a star was to be seen in the sky.
イ. You need to get over that if you are to succeed in life.
ウ. She is to arrive at this hotel tomorrow morning.
エ. He was never to return his hometown.
才. Father wants you. You are to come downstairs.

Answer 1

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めい

if 節の中で使われる(be to ～)「～するつもりなら(意図)」なので、下線部(2)はイと同じということです🌟
ウの(be to )は、is to arrive「着くことになっている(予定)」を表すので同じ意味にはならないです✨✨

マカロン

ありがとうございます！