Today wasn't as cold as yesterday. Tomorroy ______ be warmer.
will
Maybe space travels will be common in the future, but I'm sure they _____ be expensive.
will
Humans _____ never know all the planets out there.
will
I think the space explorers _____ find water on Mars soon.
might/may
I'm sure in a few years humans _____ go on vacation to the moon.
will
According to the newest reports, regular trips to space_____ be available in the next century
will
I don't know for sure, but one day, they ______ find life on other planets.
might/may
I'm old. I ______ be able to see people vacationing on the Moon.
won't
Jack wants to be an astronaut. He _____ travel to Mars.
may/might