精英家教網 > 初中英語 > 題目詳情

When I arrived at the office, the meeting __  for ten minutes.

A. had begun      B. had been on       C. began         D. was beginning

相關習題

科目:初中英語 來源: 題型:

When I arrived at the office, the meeting __  for ten minutes.

A. had begun      B. had been on       C. began         D. was beginning

查看答案和解析>>


同步練習冊答案