1.did they give food to homeless people last year

-->was food given to homeless people last year?

2.Although the weather was bad ,the football match was not cancele.

--> despite the bad weather, the football match wasn't canceled.

3.many river and lakes are poisoned . Factories produce waste and pour it into rivers and lake

--> because many rivers and lakes are poisoned, because factories produce waste and pour it into rivers and lakes.

4.the girl worked hard , her stepmother wasn't happy

--> although  the girl worked hard, her stepmother wasn't happy.

5 ''we don't open the laboratory today.'' peter said to his colleague

--> peter asked Peter asked his colleague not to open the laboratory that day.

6.''will the earth ever be visited by aliens '' Phong said to Dr .Nelson

-->Phong asked Dr. Nelson if the Earth would ever be visited by aliens.

7 ''have you ever looked through a telescope ?'' I asked John

--> I asked John if he had ever looked through a telescope.

1 . Was food given to homeless people last year ?

2 . Despite the bad weather , the football match was not canceled

3 . Because factories produce waste and pour it into rivers and lakes , many rivers and lakes are poisoned

4 . Although the girl worked hard , her stepmother wasn't happy

5 . Peter asked his colleague not to open the laboratory that day

6 . Phong asked Dr Nelson if the earth would ever be visited by aliens

7 . I asked John if he had ever looked through a telescope