1.Different hemoglobins have different combinations of these chains. 不同的血红蛋白是肽链的不同组合。 2.Well,it's a combination,I think,of reasons. 原因有很多。 3.All of these adjective and preposition combinations have ...

I want to know as many examples of nouns and prepositions as possible: approval of, awareness of, belief in, fondness for, grasp of, hatred of, etc. Also how does this affect the construction of the ...