第一节：单项填空（共15 小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. —In fact I don’t have a digital camera.
—You should buy _______. Sony is a good brand.
A. this B. that C. one D. it
22. I bought a new house and the kitchen is _______ with all the necessary modern facilities.
A. equipped B. installed C. fixed D. placed
