1 These scientists have made great c------ to sending up the

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/10/01 18:15:41

1 These scientists have made great c------ to sending up the satellites into outer space.
2 A large number of mouths must be fed in those less d----- countries.
3 That evening Beethoven played the music for the girl as well as u-----.
4 I phoned her s-----times,but i couldn't reach her

1.These scientists have made great (contribution) to sending up the satellites into outer space.
2.A large number of mouths must be fed in those less (developed) countries.
3.That evening Beethoven played the music for the girl as well as (usual).
4.I phoned (several) times,but i couldn't reach her.

1 These scientists have made great c------ to sending up the 英语九年级单词填空these scientists have made a great c to sending up 一道单选题Scientists have made a great ______ in the treatment of 高一英语(Unit 1):同义句转换：Scientists have made great progress in th These people would have made great pioneers. Because,they have made great contributions to the developmen Scientists have come up with lots of ideas to explain the en Scientists have studied these ancient works of art to learn Scientists have already made robots to walk and dance 改错 Scientists have aready made robots to walk and dance Chinese scientists have made a great__in genetics in the pas have you made up your mind how to cheer up the sick kids?by