21. This restaurant has become popular for its wide        of foods that suit all tastes and pockets.
A. division       B. area        C. range        D. circle
22. After the earthquake, the first thing the local government did was to provide           for the homeless families.
A. accommodation       B. occupation       C. equipment       D. furniture.
23. In this lecture, I can only give you a purely         view of how we can live life to the full and make some suggestions about the future.