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3. Although the doctor was ____ with the famous artist, he knew ____ about him.
A. contemporary; few B. a contemporary; little C. contemproary; little D. a contemporary; few
4. The policeman's signs ___ what we should do. A. indicate B. pruchase C. approachD. judge
5. You may go out and play, but you have to ____ that you will be back before dark.
A. sure B. ensure C. suggest D. influence
请老师翻译一下
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