The old man repented that he ______idle when young.
A: has been
B: having been
C: had been
D: have been
A: has been
B: having been
C: had been
D: have been
举一反三
- The old gentleman is said ______ a very rich man when he was young. A: to have been B: B. having been C: to be D: to have being
- He ______ his breakfast when the morning post came. A: had B: have been having C: had been having D: was having
- He Beijing four times. A: has been to B: had been to C: had gone to D: have been to
- The American young man speaks Chinese as fluently as if he ______ a Chinese. A: is B: B. were C: C. has been D: had been
- The patient______ in the hospital for a week. A: has been B: is C: have been D: had been