A. It is difficult to enjoy the scenery when they get sick.
B. It is hard to climb the mountain when they get older.
C. It is worthless to climb up the mountain this year.
D. It is bad to find no good view of the mountain.
A. She is a candidate with sufficient expertise.
B. She is not likely to get the job.
C. She is not easy to get along with.
D. She is qualified enough to get the job done.