⏰ 時制 ・ ユイ
TOEIC Part5文法問題 ユイ: Q795（時制）
The generator ___ for six hours before it failed.
The generator ___ for six hours before it failed.
答えを見る
正解: C) had been running
⏰ 時制 ・ ユイ
The generator ___ for six hours before it failed.
The generator ___ for six hours before it failed.
正解: C) had been running