All the photographs in this book, ____ stated otherwise, date from the 1950s.
| A．once | B．until |
| C．unless | D．if |
相关试题
Why _____ you always interrupt me?
I _____ you would come today. You _____ me a phone call in advance.
| A．don’t expect; should have given |
B．didn’t expect; could have given |
C．hadn’t expected; ought to give |
D．didn’t expect; can have given |
It is a good example of a site that many people think _____ to change.
| A．need | B．to need | C．needs | D．needing |
Tom, you _____ leave all your clothes on the floor like this!
| A．wouldn’t | B．mustn’t | C．needn’t | D．may not |
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