1 Pests such as green flies can damage crops.
2 Both organic and non-organic food can provide you with the vitamins you need.
3 Organic farmers don't use antibiotics to treat infections.
4 Synthetic hormones are used by some farmers to increase the size of their animals.
5 Check the label to make sure the produce is organic.
6 My school replaced all soft drinks with organic juice.
7 Genetically-modified crops can grow much faster than organic ones.
8 Take care of yourself by eating healthy food.
9 Try not to eat food that contains many chemicals.
1. My dog often plays blue ball in the yard.
1) Does my dog often play blue ball in the yard? (общий)
2) Whose dog does often play blue ball in the yard? (специальный)
3) Where does my dog play blue ball? (специальный)
4) How often does my dog play blue ball in the yard? (специальный)
2. Their friends are making a big snowman in the yard now. (здесь глагол стоял в форме Present Simple (make), но должен стоять в форме Present Continuous (are making), так как действие происходит в настоящий момент, на что указывает и индикатор now)
1) Are their friends making a big snowman in the yard now? (общий)
2) Whose friends are making a big snowman in the yard now? (специальный)
3) Where are their friends making a big snowman now? (специальный)
4) When are their friends making a big snowman? (специальный)
2) servant - слуга