中国大学MOOC: All the tasks __________(fulfill) ahead of time, they decided to go on holiday for a week.
举一反三
- All the tasks ________ ahead of time, they decided to go on holiday for a week.
- All the tasks ___________ ahead of time, they decided to go on holiday for a week.
- All the tasks _______________ahead of time, they decided to go on holiday for a week. A: been completed B: having been completed C: have completed D: had been completed
- All the task ____ ahead of time, they decided to go on holiday for a week. A: had been fulfilled B: were fulfilled C: having been fulfilled D: een fulfilled
- All the tasks ______ ahead of time, they decided to have a dinner party to celebrate.( ) A: have been finished B: had been finished C: having been finished D: were finished.