(18 Read and complete.
1 The ancient Greeks
2 Look! 50 aliens
3 Robots
4 William Herschel
5 The astronauts
6 The Moon
almost once every month.
7 It was 1969 when Neil Armstrong
(walk) on the Moon.
8 People
they want to look at the planets.
(call) the Sun Helios.
(come) out of the spaceship.
(explore) Mars now to find information.
(discover) Uranus in 1781.
(leave) for the Moon tomorrow.
(travel around the Earth
(use) telescopes when​

1.

If you always tell the truth, people will trust you.

She will help you with your homework if you need help.

If you don't go to the supermarket, I won't cook dinner.

You will earn a lot of money if you will work hard.

If my friend will have enough time, she will learn how to drive.

2.

If the students won't be late for the exam, they  will pass.

If the weather won't be so cold, we will go to the beach.

If she has her laptop with her, she emails me.

If the baby slept better last night, he won't be so tired.

If Lucy will has enough time, she will travel more.

1.

If you always tell the truth, people will trust you.

She will help you with your homework if you need help.

If you don't go to the supermarket, I won't cook dinner.

You will earn a lot of money if you will work hard.

If my friend will have enough time, she will learn how to drive.

2.

If the students won't be late for the exam, they  will pass.

If the weather won't be so cold, we will go to the beach.

If she has her laptop with her, she emails me.

If the baby slept better last night, he won't be so tired.

If Lucy will has enough time, she will travel more.