✨ ベストアンサー ✨
(4a) Choosing vegetables, …. = When she chooses vegetables, my mother checks their colors.
(4b) Taking a shower, …. = When I was taking a shower, I had a call from him.
(5b) Getting to the office, = When he got to the office, he checked his email.
(6a) (Being) Checked by my teacher, my speech got better.
= Because it was checked<受動態> by my teacher, my speech got better.
(6b) Having no time, …. = Because he had no time, he couldn't eat lunch.
(7a) Judging from her clothes, …. ※慣用表現の分詞構文 judging from … …から判断すると
参考にしてください。
ありがとうございます!