Question

英语题： 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
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Answer 1

3 为usual ，其他同上

Answer 2

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.
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Answer 3

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 u-sually----.
4 I phoned her several----times,but i couldn't reach her