Put the verbs in brackets into the correct tense.
1 Unless we
(protect)
endangered animals, they
will become extinct.
2 If I were you, I
(recycle)
your used bottles.
3 The ice caps
(melt) unless
we reduce global warming.
4 If everyone ...
(save) energy
it'd help the environment.
5 If you donate money, you
(receive) a free gift.​

ekicinurzulal    3   14.04.2021 12:01    8