来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/09 08:22:03
their final medical check, the astronauts boarded their spacecraft. A.Received | B.Being received | C.To receive | D.Having received | |
D
考查非谓语动词作状语。the astronauts 与receive 之间是主动关系,所以用现在分词,又知receive的动作发生在boarded之前,所以用现在分词的完成式,句意:收到最终的医疗检查之后,宇航员们登上了他们的宇宙飞船。所以选D。