问题
选择题
_____ the government agrees to give extra money , the theatre will have to close.
A．Until
B．Unless
C．Since
D．While
答案
答案：B
从句意推知。
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_____ the government agrees to give extra money , the theatre will have to close.
A．Until
B．Unless
C．Since
D．While
答案：B
从句意推知。