22. We had ______ great fun watching the performance, which was ____ entire success. A. a; an B, a; the C. /; an D. a; /
The computer is absolutely ______ amazing technological revolution. Just imagine what ______ fun it is playing computer games over the weekend!
The purpose of the new plan is to make life easier, ______ it more difficult.
There wastimethis kind of skirt was very popular.
The soldiers soon reached ______ was once an old temple ______ the villagers used as a school.
The main cause of HIV / AIDS infection in China is drug abuse, ______ is very serious in Yunnan.