Is needed, are used, recycle, are saved, is protected, are cut, is cut down, disappear, is destroyed, causes, are taught, understand.
2-1 ; 3-2 ; 4-1 ; 5-2 ; 6-1 ; 7-2 ; 8-2 ; 9-2
Can I do out? I feel stomash ache.
You must go to bed at 10o'clock.
Take yuor places, children. Let's start our lesson.
Could we take photos of animals in this zoo?