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________ his arrival, he began to make preparations for the speech of the conference.

The manager relies heavily_________ his secretary______ arrange his daily work.

____ her joy, her son was __________ Being University.

We welcome good employees, ______ their age or sex.
A. thanks to   B regardless of   C. because of    D. due to

______ the chairman of the council, the vice chairman does duty for him.

Since there is always a power failure in the town, they have candles_______ in the closet.

This is the first favour I’ve ever asked ____ you.

______ the Venice Film Festival, we are to include high-quality films, ______ who makes them.

_______ my teachers’ help, I wouldn’t have succeeded.

Mary, come here at 7; if not , we shall go to the park ______ you.