All substances, ______, liquid or solid, are made up of atoms. A be they gasesB whether they are gasesC they are gasesD they can be gases为什么选A? B为什么不行?
You usually do not need to take pills for vitamins, _____ can be
obtained from the food you eat.
A. most of the vitamins
B. most of which
C. as most of which
D. most of them
请教各位老师,这道题是否选B,谢谢。
以下表达方式中的to都是介词,根据句意的需要,后面可以接名词、代词或者动名词(即动词的-ing形式),不能接动词原形。admit to 承认apply oneself to 致力于apply to 适用于be addicted to 沉溺于be attentive to 注意;关怀be equal to 胜任be ...
刚看到这样一个句子,请注意句中的fees very loose:If a tooth feels very loose, your dentist may recommend that it’s taken out. 如何理解这个feel,它应该是连系动词吧?它是什么意思?表示“感觉”,还是表示“摸起来”?但怎么都说不通啊!...