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配制C25级混凝土可优先选用52.5级水泥。 ( )
更多“配制C25级混凝土可优先选用52.5级水泥。 （)”相关的问题
第1题
If we ______ that the books were available, we would have bought them. yesterday．
A．knew B．known C．had known D．were known
第2题
If we (know)______that the books were available, we would have bought them yesterday.
第3题
A．dozens eggs
B．dozen eggs
C．dozen of eggs
D．dozens of eggs
第4题
听力原文：W: I bought three books for fifteen dollars in this bookstore yesterday.
M: That is very expensive.
How much does each book cost？
A．4 dollars.
B．5 dollars.
C．6 dollars.
D．15 dollars.
第5题
听力原文：W: I bought three books for fifteen dollars in this bookstore yesterday.
M: That is very expensive.
Q: How much does each book cost？
(9)
A．4 dollars.
B．5 dollars.
C．6 dollars.
D．15 dollars.
第6题
A、what had Mary bought
B、Mary had bought what
C、what Mary had bought
D、what had bought by Mary
第8题
第9题
听力原文：Where were the first 740 books bought？
Where were the first 740 books bought？
They were bought in __________
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