BY THE TIME YOU RECEIVED HER LETTER, SHE __________ IN PARIS. A. H...

21. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

21.

By the time you received her letter, she __________ in Paris.

A. has arrived

B. would have arrived

C. had arrived

D. arrived