prep kì 2 gloal success 8

Scientists are working hard to prepare ___ future space missions.

This new project aims ___ improving communication between countries.

Many people still believe ___ life on other planets.

I had a strange dream ___ traveling through space last night.

We can learn a lot ___ past scientific discoveries.

Always listen ___ the instructions carefully.

Astronauts must wait ___ the perfect time to launch.

Everyone hopes ___ a peaceful future.

Look ___ the stars! They’re beautiful tonight.

We should think ___ the environment before acting.