Fill in: over, for, down, off, on. Check in Appendix I. 1) Suddenly, the lights went astronauts knew something was wrong. (stop working) and the 2) Apollo 13 was a mission that went in history. (was remembered) 3) The Voyager probes were launched in 1977 from Earth and they will go travelling through space for ever. (continue) 4) The astronauts went the procedures again and again. (repeat) 5) He's going commander even though he's only 25. (try to achieve sth) the position of mission​

Elephants are the largest land-living mammal in the world.
There are two types of Elephants, Asian and African.
African elephants are larger than Asian elephants and have larger ears.
Elephants have no natural animal predators but jnly Humans  kill elephants for their ivory tusks
Elephants like to swim. They eat grass, leaves, shrubs, branches , fruit and vegetables.
Elephants nose called trunk . It is able to sense the size, shape and temperature of an object.
Elephants serve human beings in a number of ways. They can carry, push and pull load .
Some people also love to get a ride on their back.