Question

キキ

この問題教えてください！！
答えは2番です。解説お願いします🙇‍♀️🙇‍♀️🙇‍♀️

(2) Patrick had several rooms in his home repainted. He left for the day to avoid the smell
of the paint while the work (
T
1 was doing
3 had been done
repaint : ~を塗り直す
).
2 was being done
4 would be doing
④

英検2級