C
1 the mistake by scientists caused a massive explosion(im)
the mistake by scientists ____a massive explosion
2. dr Atherton finally succeeded in discovering the secret formula(managed)
dr Atherton finally ____the secret formula
3. another name for iron oxide is"fool's gold"(as)
iron oxide___"fool's gold"
4. many local residents intend to protest about the nuclear power plant(plan)
many local residents ______about the nuclear power plant
5. we're thinking of appoiting dr Knight to the position of Professor ( considering )
we ___the position of Professor
6. we cannot live in outer space without special equipment (us)
it ___ to live in outer space without special equipment
7.i cannot wait until we do some experiments in the science lab (forward)
i'm really ____some experiments in the science lab
8. communication changed completely when the telephone was introduced (with)
communication changed completely ___the telephone
9. dr Frankenstein was finally successful in bringing the monster to life ( managed)
dr Frankenstein___ the monster to life
10. i cannot understand how they built the Pyramids (impossible)
i ___ how they built the Pyramids
11. Fleming discovered penicillin as a result of a a little luck (resulted)
a little luck ________penicillin
12. people sometimes call nurses "angels" (known)
nurses________"angels"
13. Einstein eventually realised that he was wrong (conclusiob)
Einstein eventually ________ that he was wrong
14. our physics teacher tried to explain the Theory of Relatovity (attemp)
our physics teacher ________explaining the Theory of Relatovity
15. we'll save enough money and then we'll buy a computer (soon)
we'll buy a computer________saved enough money