1. The actress was on ____ diet in order to keep ____ good shape.
A．a; a B. the; a C. a; / D. /; a
2. It’s demanded in the new regulation that all the passengers ____ before boarding the plane.
A. should check B. must be checked C. are checked D. be checked
3. The moment the chairman__ Beijing Olympic Games open, the whole nation cheered with joy.
A. claimed B. predicted C. declared D. informed
