Since then scientists (8) at the life on earth in other difficult environments — dry, cold and hot - and (9) that water is the
key. Wherever there (10) water, life (11)
exist. So scientists (12) to search for
water in the solar system.
Варианты ответов
8 have looked looked looks has looked
9 finds have found has found found
10 was has been is be
11 could can was able will be able
12 began has begun have begun begin

!

Nasvay228    2   27.04.2021 19:30    2