A. removed
B. completed
C. undertaken
D. overheard
A. known
B. aware
C. careful
D. noticeable
A. become serious about her study
B. go to her friend's house regularly
C. learn from her classmates at school
D. share poems and stories with her friend
A. our exploration of London was a memorable gift to both of us
B. we were unwilling to tear ourselves away from London
C. our unpleasant feeling about London disappeared
D. we parted with each other in London