Вставьте 1.the russian scientists (1. has solved, 2. was solving, 3. has been solved) 2. if raining we will go for a walk ( 1/stops, 2. will stop, 3. stopped) 3. if , i"ll go to the party (1.was, 2.have been, 3. am.)

blazer6    3   10.07.2019 03:40    1