PET_CAM_T123

Scientist know that dolphins are intelligent creatures. But now they are ___ whether the noises that dolphins make are actually a form of language.

Some scientist and engineers are even ___ that in the future, there could be some kinds of flying cars.

Jane.G is well known for her research. From early childhood, she ___ of going to see chimpanzees in Africa.

She was surprised to find that this ___ helped her, as she had to ___ her own way of watching chinpanzees.

It's certain that technology will strongly ___ the design of future cars.

Cars today are nothing like the ones that were driven a century ago. So it's difficult to ___ what cars might be like 100 years from now.

Car engines in the future can use clean fuels and other ___ of green energy.

She was ____ a job studying chimpanzees in a national park.

The box could be opened more ___ if two dolphins work together - using the rope to pull the box in opposite ___ to open it.

Scientists thought chimpanzees only ate plants, but Jane ___ that this was not true.

Dolphins mdke noises much more ___ while they were working together to ___ the problems.

Most people agree that cars should ___ environmentally cleaner, so car companies are likely to ___ the engines we have now.

In order to ___ the journey, she did a variety of part-time jobs.

They recorded the noises that dolphins make while ___ a difficult exercise.