Future predictions

Before long scientists _________________ up with sweets that are good for children´s teeth.

In 50 years people ____________________________ much longer. (live)

Within around 50 years, governments _________________________ to clone their most powerful politicians. (start)

I doubt people ______________________ to work every day. (commute)

It´s hard to imagine people ____________ cars around like they do today.

I doubt that we ___________________________________ extinct.

I wonder if anyone ______________________ a time machine. (invent)

Many companies ______________ to sell us the air we breathe. (try)

Sometimes I feel like I ____________________________ these stupid sentences in 50 years. (still/write)