(1)_space is difficult to imagine and yet (2)_ man has been to (3)_ Moon and sent (4)_ machines to (5)_ Mars and far futher. There is no (6)_ air between us and the stars and yet light and X-rays and radio waves reach us here on (7)_ earth. We are seeking (8)_ information, trying to find planets with (9)_ air and (10)_ water and (11)_ valuable materials such as (12)_ minerals that we need. Perhaps we will find (13)_ world like ours with (14)_ oxygen that we can breathe. Of course, (15)_ real romance would be to find other living species, to communicate with them and share (16)_ knowledge of the universe.
At night ()_ trees release (17)_ carbon dioxide. In the day they make (18)_ oxygen. We need (19)_ trees to live.
I love (20)_ trees. They give us (21)_ colour and (22)_ shade. They stop (23)_ noise from (24)_ trafic where we live. There was (25)_ beautiful tree behind my house for years. Then someone cut (26)_ tree down so now all you can see is (27)_ buildings. So I'm going to sell (28)_ house because looking into (29)_ other people's windows is no fun. I preferred looking at (30)_ tree and (31)_ colour it had.
(1)_The_space is difficult to imagine and yet (2) _the_ man has been to (3) _the_ Moon and sent (4) _\(\varnothing\)_ machines to (5)_\(\varnothing\)_ Mars and far futher. There is no (6)_\(\varnothing\)_ air between us and the stars and yet light and X-rays and radio waves reach us here on (7)_the_ earth. We are seeking (8) _the_ information, trying to find planets with (9) _\(\varnothing\)_ air and (10) _\(\varnothing\)_ water and (11) _\(\varnothing\)_ valuable materials such as (12) _the_ minerals that we need. Perhaps we will find (13) _a_ world like ours with (14) _the_ oxygen that we can breathe. Of course, (15) _the_ real romance would be to find other living species, to communicate with them and share (16) _the_ knowledge of the universe.
At night () _\(\varnothing\)_ trees release (17) _\(\varnothing\)_ carbon dioxide. In the day they make (18) _\(\varnothing\)_ oxygen. We need (19) _\(\varnothing\)_ trees to live.
I love (20) _\(\varnothing\)_ trees. They give us (21) _\(\varnothing\)_ colour and (22) _\(\varnothing\)_ shade. They stop (23) _the_ noise from (24) _the_ trafic where we live. There was (25) )_a_ beautiful tree behind my house for years. Then someone cut (26) _the_ tree down so now all you can see is (27) _the_ buildings. So I'm going to sell (28) _the_ house because looking into (29) _\(\varnothing\)_ other people's windows is no fun. I preferred looking at (30) _the_ tree and (31) _the_ colour it had.