1. Margie shows a very positive attitude ____ her work.
A. to B. with C. of D. about
2. The one and only thing I ____ is whether you take a good rest！
A. care for B. look for C. care about D. look after
3. Tom his parents ever since he home.
A. didn't see, has left B. hadn't seen,left
C. didn't see, left D. hasn't seen, left
