He allowed me ___ the experiment.
--- Where did you see Avatar ? --- It was in the same cinema _______ I ever watched 2012.
Song Zuying became the first Chinese singer _______ a solo concert at the Vienna Golden Hall , ______ an audience of more than 1,000.
As nobody here knows what’s wrong with the machine, we must send for an engineer to _______ the problem.
--- What are the workers talking about ? --- They are discussing the idea the old worker ______ at the meeting yesterday.
He has drunk too much tonight. We should try to ________ him from driving back home.