— What’s the matter with John? He has been sitting there for hours.— A postcard from his father_______ an attack of home-sickness in him.
The computer centre, ____ last year , is very popular among the students in this school.
When the spaceship was , I could really feel the high gravity.
He still remembers the days ______ he spent with your family.
The thieves ran away when the burglar alarm(防盗警报器).
The secretary worked late into the night, _____ a long speech for the president.