some animals are dangerous.that's( )they( )stay in cages A because,have to B why,must C becau,mustD why,have to(解析

some animals are friendly byt some are n（） some people are _________to animals (cruel cruelty) 找错误：There are some animals. There are some animals.改为否定句 some animals die because they are 什么, 英译汉you see,some animals are tall.some are short .some are fat.some are thin. Some people are cruel to animals.Some people are____ ____ animals（同义） In the south are deep caves---some are empty,but some are houses f___ strange animals Some people think the zoos are _____ for animals some animals are g________ and friendly to people. There are some animals in the zoo.( 一般疑问句) There are some animals in the zoo改单数句 Are there some animals in the park.改错 some people are still killing wild animals.怎么改为被动 there are some animals endangered有语病吗,说明原因 用wild,some,now,animals,in,are,danger造句 some animals are in __ .let's protect them.(dangerous) Some animals are very d____ ,but we still protect