Sam is as friendly as Mabel is 请问后面为什么要加is ,is可以省略吗?

Sam is as friendly as Mabel is 请问后面为什么要加is ,is可以省略吗? Sam is always friendly to his parents.一定要有 is Tom is as Sam.A.a worker as efficientB.as efficient a worker两个好像都对呀,改选哪一个呢少画了横线，问题应该是Tom is ______as Sam A dolphin is a lways well-known as a elever and friendly anivnal. Sam is as tall as Jim Sam is ______ _______height as Jim A dog is always well-know as a clever and friendly animal. Don’t get closer.This animal is as _________ as tigers.A.friendly B.more friendly C.dangerous D.more dangerous Scientists say that electricity is a good choice as an environmentally friendly power. Sam is the same()as Tom A.old B.tall C.age 选什么?为什么? She is a friendly girl.对friendly提问 Where is Sam?He is---a trip. A dolphin is always well-known as a clever and friendly animal.的汉语意思谁能帮我翻译成汉语! 1 She took his hand () A in a friendly way B friendly C like a friend D as a friend 2 ()has h...1 She took his hand ()A in a friendly way B friendly C like a friend D as a friend 2 ()has helped the old and the sick is worth praishng.A Who B The one C As a chief editor,Sam is full of______.A、experience B、experiences C、experienced D、many experiences The friendly relationship between the two classes is developing as normally it used to be.A.than what B.as what C.than what D.as what Sam is look same as me.Sam长得和我一样,能这样说吧? Sam Brown is my uncle.I call him____.A.Uncle BrownB.Sam UncleC.Uncle Sam Is Sally as serious as you?No,she is ().She always makes us laugh.A.more outgoing B.funnier.C.friendly D.quieter