50. -Who called just now, Sam? -It’s Terry. She asked _____.
A. that Alice was in B. if was Alice in
C. if Alice was in D. whether was Alice in
49. I don’t think she is a nice woman; I am _____ her empty talk.
A. grateful for B. tired of
C. crazy about D. concerned about
48. I must _____ my dog this evening; it hasn’t been out for three days.
A. buy B. sell C. walk D. run