The audio mentions a 52-year-old and a 47-year-old.

The audio mentions the distance of a regular marathon.

The distance covered by the Marathon des Sables is..

Which planets does the article mention?

Why is the color blue important when looking at planets?

Which planet do scientists already know most about apart from the earth?

The second conditional talks about...

Which is a suitable topic for the second conditional?

If you gave me some money, I ____ you with your homework.

I would give her some advice if she _____ for it.

If we _______ a yacht, we ________ the seven seas.

What tense is used in the if clause of the second conditional?

Which type of ideas do we talk about using the second conditional?

Which of the following is the correct form for the result clause in the second conditional?

4. If you printed on both sides, you ________ paper.

If I knew his number, I ___ him.

A butterfly is an insect that has mirror symmetry.

India is a country where elephants live.

That's the man _________ ran in the Olympics

It's a shop _________ you can buy bread.

A hotel is a place _________ people stay when they're on holiday.

A doctor who does operations in a hospital is a ___________

A chemical that is used to get rid of wrinkles.

A place where patients in a hospital lie in bed.