Tenses (Present perfect with others): Travel into space

The Hubble Telescope ___ thousands of images since 1990.

• has taken

• takes

• took

• is taking

Right now, engineers ___ (test) a new spaceship for a new space mission.

(mission: Nhiệm vụ)

• have testing

• are testing

• test

• tested

The first space tourist ___ a trip to the ISS in 2001.

(tourist: Khách du lịch; ISS: International space station)

• has taken

• took

• takes

• is taking

In recent years, scientists ___ better ways to recycle water in space.

• have found

• find

• found

• are finding

Scientists ____ (launch) a new spaceship in 2030 to explore the universe further.

• will launch

• have launch

• are launching

• launched

The astronauts ___ (travel) to the moon three times so far.

• have traveled

• traveled

• travel

• are traveling

Every day, astronauts ___ (have to) practice a lot in zero gravity.

• have to

• have had to

• had to

• are having to

The astronaut ___ (live) in the ISS for a whole year.

• has lived

• have lived

• is living

• lives

Until now, the spaceship (a)   (visit) 4 different planets.

Astronomers (a)   (study) the possibility of life on the new planet for years.

(possiblitily: Khả năng)