1.

He was able to dip    thumbs in the boiling oil without burning himself.

2.

My professor accepts this theory but most    scientists don't.

3.

She didn't hear    of the two explosions in the laboratory.

4.

  of the twins is hoping to become a computer programmer.

5.

  student is expected to write a report on his or her experiment.

6.

One example of insulation is your coat;    is licking your finger before
you touch a hot iron.

7.

Our teacher loses    opportunity to demonstrate examples of physical
laws.

8.

  of the firewalkers moved quickly and    burned their feet.

9.

  experimenters have tried to photograph a ghost, but so far they have
had    success.

10.

The report concludes sadly that    students have   
knowledge of nuclear physics.