Mr. Black left for Beijing this morning, his secretary ______ him there this Friday.

Years later, I began ______ what he told me right.

The computer centre, ____ last year , is very popular among the students in this school.

In April, 2009, President Hu inspected the warships in Qingdao,    the 60th anniversary of the founding of the PLA Navy. 

I used to __ to the south, so now, I am used to __ in a hot climate.