That cake that____(make)yesterday was his favorite thing.定语从句的被动语态中的be动词能否省略?若能,是在怎样的情况下?

That cake that____(make)yesterday was his favorite thing.定语从句的被动语态中的be动词能否省略?若能,是在怎样的情况下? I‘m going to bake a cake.答句：That's great!还是 yes,it is. ------(be)that cake --------(I)?NO-------------- That cake Smells( ).it is soft. be c_________!that's the cake cake Is that____(I) book? That____(sound)interesting i s that your cake .对that提问 i s that your cake .对that 提问 选择并翻译：Is that your ____?A:a cake B:cake C:cakes Not One's Piece of CakeAnything that is not your piece of cake is something you don't like or is not particularly fond of doing.Italian food is not my piece of cake,Gerald said.I don't thick I would enjoy acting.It's not really my piece of cake,M I really don't know that____(do)next,Mrs Lee动词填空请说明理由不好意思打错了- - 是what 不是that That cake is more expensive than this one.(英译中) We are making a cake _____ that moment. This piece of cake is ______than that one. Be c＿.tha．that's my cake That is a cake in English.对cake提问对划线部分提问，结果是—— ——in English.