Those are the plants that protect soil from being blown是什么句型

Those are the plants that protect soil from being blown是什么句型 —What are those?—They're _______.A.a plant B.plantC.the plant D.plants it is crucial that those new plants be environmentally sound.主句中为什么动词用了原形?If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound. There are some plants _____ the sofa. they are water the plants 改错 这个句子中系动词为什么变成be了It is crucial that those new plants be environmentaly sound.SORRY，全句是If we are ever going to protect the atmosphere,it is crucial that those new plants be environmentally sound.(在这里plants 不 those和ones的区别?我在初中英语看到的句子The weather here is like (that )in Shanghai but the plants are different ( )there.第二空怎么填?those ,ones有什么区别? What are those on the we are plants the tress in the spring 改错 There are some plants in the classroom 改为否定句 There are many plants in the garden 同意句 There are many kinds of plants all over the w___. There are two plants in the house 改为一般疑问句 All plants and animals are p__of the food chain. 2005年真题阅读 词汇翻译 考研英语If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound.我想知道这里的ever是什么意思,如何翻译 ever在里面什么作用,如果不要ever句子意思会变不If we are ever going to protect the atmosphere,it is crucial that those new plants be environmentally sound. The story books are those -----(child). Who are those with the flags?