21. In ________ situations like this it is not surprising that the local persons become angry.
A. contrary B. extreme C. official D. entire
22. The question of ________ English will keep on changing in the future is easy ________.
A. if; to answer it B. whether; to answer
C. that; to be answered D. /; answering
23. ________ the Normans spoke French for the entire 250 years they ruled England, French did not replace English as the first language.
A. Unless B. Until C. Now that D. Even though
24. It turns out that after the ash covered the people who failed to ________ the city, their bodies nearly completely broke down and disappeared, leaving empty spaces in the ash.
A. flee B. approach C. attach D. occupy
