These knives are made ( ) metal and wood?from?of?by?in?

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These knives are made ( ) metal and wood?from?of?by?in?
These knives are made ( ) metal and wood?
from?of?by?in?

These knives are made ( ) metal and wood?from?of?by?in?
of （小刀是用金属和木头做成的,可以看的出来）
make of 的原材料是看的到的,比如make of wood
make from的原材料是看不到的,比如Paper is make from trees.从纸上是看不出一棵树滴．

from

of
表示材料！

be made of 用来表示看得出原料的。be made from则是看不出原料的，后介词by 和in不是表示有什么制成的意思

of

of
be made of 用来表示看得出原料的。be made from则是看不出原料的

of

of是物理变化，看得出原材料。
from是化学变化，看不出材料的。
选of

Are these knives There are some ( ) in these ( )选项：A.knifes.pencil-boxesB.knives.pencils-boxC.knives.pencil-boxD.knives.pencils-boxes These knives are made ( ) metal and wood?from?of?by?in? Whose knives are there回答 They are knives.对knives进行提问( )( )they? These knives can be used for cutting.同义句These knives can ____ ____ ____ ____. We are all mad are you mad? 变单数 We are childrem. Those are sheep. These are elephants. They are wolves.There are many feese in the lake.There are some oranges on the tree.We have some knives.they are deer. there are some knives on the table. These knives can be used for cutting.翻译 these knives were made（） Sheffield.填介词填入正确的介词.these knives were made（） Sheffield. are you mad with m there are some knives in the box 改为特殊疑问句划线部分为some knives mad Are these There are some knives in the box.【改为单数】 Knives are used for cutting things.翻译成中文