3 各文を[ 〕内の指示にしたがって書きかえなさい. 3 1) You must see the doctor at once. [反対の意味に] 1)参p.1 p.12 You see the doctor at once. see a d 2) You may enter my room. [強い禁止を表す文に] 「医者に 2)参p.1 You enter my room. 3)「~した 3) I'm sure that she enjoyed sightseeing in Rome. いる」→ (助動詞を用いた文に] がいない。 She _must bave ebjoyed sgbseeing in Rome. sightse