1 Complete the sentences with the correct form of the verbs brackets.
1 We will run out of fresh water if we (do not stop) wasting it.
2 Japan (will launch) its own space programme in the near future, but it's not certain.
3 Scientists predict that the Earth’s temperature (will probably rise) by at least two degrees in the next ten years.
4 The United States (will not send) astronauts to the Moon again in the future.
5 You (will become) a pop star if you enter talent contests.
6 Sandy thinks (he will probably go) to university after he leaves school.
7 If ebooks keep improving, they (will definitely replace) printed books.
There was a man who had a donkey. The man took his donkey to a nearby city to buy some salt. On A 2) their way home they came to a small river. The donkey accidentally B 1) fell into the river. When he got out, he felt that the bags of salt were much lighter, because the salt was all gone. The man took his donkey back to the city and filled its bags with even C 4) more salt. When they came to the river a second time, the lazy donkey fell down in the same place, because he D 3) did not want to carry the heavy bags all the way home. The man understood what the donkey was doing. He took the donkey back to the city and filled the bags with sponges. When the donkey fell in the river again, the sponges collected all the water and became E. 4) much heavier.