给水厂站内的混凝土水池有()清水池等。
A.混凝沉淀池
B.澄清池
C.过滤池
D.曝气池
E.反应池
参考答案：A, B, C, E
Not only ________ increase, but also _________ raised as well. [ ]
A. did the prices ; were their wages
B. the prices did ; their wages were
C. did the prices ; their wages were
D. the prices did ; were their wages
— Do you have _____ brothers and sisters?
— Yes. [ ]
A. some
B. a
C. any
D. an
