5- The heart .................... blood round the body 6- We can see Uranus and Neptune only with .................... telescope. 7- All .................... must take care of nature. 8- It's a .................... that the Earth goes round the Sun.

9- Elephants are the .................... (big) land animals in the world. 10- and .................... (strong) land animals in the world. 11- .................... elephants are .................... (small) than the African elephants. 12- Indian elephants are as .................... (wonderful) African elephants.

Next month, my French friend (comes/will come) to Tehran. He (lives/will live) in France. We (are going/will go) ...