题干
— Joe, what about going to Belgium for our coming holiday?
— Sorry, honey, I _________ on the newly discovered dinosaur site in Argentina．There are remains of what is thought to be the largest creature ever to walk the earth.
— Sorry, honey, I _________ on the newly discovered dinosaur site in Argentina．There are remains of what is thought to be the largest creature ever to walk the earth.
| A．was working | B．work |
| C．will be working | D．worked |
答案(点此获取答案解析）
