They talked as if they (be)____friends for years.
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Compiling (编辑) dictionaries is not only a matter of translation, but also (interpret)____and explanation of a different culture.
He didn't want to come to the movies because he (see)____the film twice.
At an international meeting, participating countries discussed how much oil theproducers (export) ____.
The honest young surgeon admitted to (make) ____ errors in judgment on more than one occasion.