【2015·北京】—Dr. Jackson is not in his office at the moment.—All right. I____ him later.
“If" he added, “________ to carry out the plan, we would surely make a big profit for our company."
Between the two periods of classes is a break,_____we can have a short rest.
With all the novels he was interested in _______, he left the library and went back to his dorm.
--The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?---____ my students have a try?
A series of stimulus policies and supportive measures taken by the government _____ to promote change in the economic environment in this area.