So instructive _________ that the student wanted to see it again. A. was the film B. it was the filmC, the film was D. the film it was
food is hard to find, few birds remain throughout the year.
The boss________company I worked in two years ago has________in solving such kind of problem.
The foreign guests ,____ by some artists , came out of the hall .
______ is know to all, china will be an________ and powerful country in 20 or 30 year’ time.
When I went in , they were ____ in a heated discussion .