The new computer program could not have been made without the ______ of the programmer, Martin Miller.
A: contribution
B: contribute
C: contributed
D: contributes
A: contribution
B: contribute
C: contributed
D: contributes
举一反三
- Do you have any difficulty ______ (design) this new computer program
- We have bought a new computer.变被动语态：A new computer have been bought.
- about this computer program, a huge amount of time and energy would have been saved.
- Ieoh Ming Pei has ______ great ______ the architecture of the world. A: contribute … to B: contributed … to C: made … contributions D: made … contributions to
- Miss Green contributed fifty dollars, but she wished she could contribute ________.