You __________ to leave until you__________ your work.

(2013·乌鲁木齐高三第一次诊断性测验)That scientist ________ work is successful has been made a model worker.

Theof the students inour classgirls.

It was at the shopping center ______ Maryand I had an appointment ______ I lost my necklace.

After a heavy ads campaign, our market share has increased ________ 15% ________ 60% in Asian market.