经济大萧条的的现象:This kind of material was seldom used houses during the Middle Ages

this kind of animal与this kind of animals是一样的吗？ This kind of insect has four wings feelers.( ) This kind of flower comes out and () red in spring. This kind of people 后接is还是are This kind of people 后接is还是are／／ This kind of soap can‘t _______ children _____pathogen. (4 this kind of insect has a stick-like body and two pairs of large wings.( ) this kind of trees is/are rare???主语是kind 还是trees,谓语动词应该用单数复数？ Perhaps this also is one kind of life..... Ignorantly dispiritedly sinks is drunk这句话是什么意思 ___i worked hard at school, i ___ this kind of work now.