Find the mistake.

The kinds of fossil fuel that cause pollution probable won’t be common in the future.

Choose the best answer.

Do you think flying cars will ______ the roads safer?

Choose the best answer.

______ will probably be the fastest and safest means of transport to travel downtown.

Choose the best answer.

Humans ______ solar panels on the windows or rooftops of their houses.

Choose the best answer.

Joe has some solar panels on his house rooftop. He ______ save some electricity from today.

Choose the best answer.

I don’t think robots ______ skillful enough to keep the streets as clean as humans in the future.

Choose the best answer.

In the coming years, students ______ by robots in some modern classrooms.

Choose the best answer.

With more smarter robots, over 90% of work in a factory ______ automatically.