Water is composed _______ hydrogen and oxygen.
A、ofA
becomposedof：由…组成。句意：水是由氢与氧化合而成的。
Charles Smith, ______ was my former teacher, retired last year.
The central theatre has a seating ________ of more than 3, 000 people.
IsitShakespeareTheatre_______youaregoingtowatchtheplayTheMerchantofVenice?
They prefer to _______ the rest of the morning walking in the garden.
支持代孕的理由有
