Сделайте косвенный вопрос . начните с "they ask.." ! 1.has anybody landed on mars ? 2. is there life in venus ? 3.will people live in the moon some day? 4.do astronauts ofter visit space flight control center ? 5.are there any aliens out there?

They ask if anybody landed on mars.
They ask if there is life on venus.
The ask if people will live in the moon someday.
They ask if astronauts visit Space Flight Control center often.
They ask if there are aliens out there.

1. They ask wether anybody has landed on Mars.
2. They ask if  there is life in Venus.
3. They ask wether  people will live in the Moon some day.
4. They ask if  astronauts ofter visit Space Flight Control center.
5. they ask wether  there are any aliens out there.
wether, if между ними нет разницы