一、单选题：（20分）
1.. -----Have you got any particular plans for the coming holiday?
----- Yes, _______, I’m going to visit some homes for the old in the city.
A. If ever B. If busy C. If anything D. If possible
2. It is the sort of work that______ a high level of concentration.
A. calls for B. make up C. lies in D. stands for
