He wrote a letter________he explained what had happened in the accident.
He was so excited and insisted that what he had done completely______ their demand(要求).
Although it had been _____ struggle for him to finish ______ experiment, he enjoyed the result with_______ satisfaction.
----Do you mind choosing Peter to be the new chairman? ----___________.
---I am sure you met Alice at the party last week. ---I don’t remember her. What ______ she ______?
I don’t think he has completed the task , ____________?